[Federal Register: February 23, 2007 (Volume 72, Number 36)]
[Rules and Regulations]
[Page 8089-8099]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr23fe07-2]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2006-25948; Directorate Identifier 2006-NE-32-AD;
Amendment 39-14951; AD 2007-04-19]
RIN 2120-AA64
Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cast
Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000,
SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and
SL36006W
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for comments.
-----------------------------------------------------------------------
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain SAP cast cylinder assemblies installed in Teledyne Continental
Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming
Engines (LE) 320, 360, and 540 series reciprocating engines, Avco
Lycoming (AL) 540 series reciprocating engines, and Superior Air Parts,
Inc. (SAP) 360 series reciprocating engines. This AD requires removing
from service certain SAP part numbered (P/N) cast cylinder assemblies
installed in TCM, LE, and AL reciprocating engines. This AD also
requires removing from service certain cast cylinder assemblies
installed as original equipment in SAP reciprocating engines, or in
certain overhauled or repaired SAP reciprocating engines. This AD
results from nine separated SAP cylinder assemblies in TCM
reciprocating engines and one in LE reciprocating engines. We are
issuing this AD to prevent cylinder separation that can lead to engine
failure, a possible engine compartment fire, and damage to the
airplane.
DATES: This AD becomes effective March 12, 2007.
We must receive any comments on this AD by April 24, 2007.
ADDRESSES: Use one of the following addresses to comment on this AD:
DOT Docket Web site: Go to http://dms.dot.gov and follow
the instructions for sending your comments electronically.
Government-wide rulemaking Web site: Go to http://www.regulations.gov
and follow the instructions for sending your
comments electronically.
Mail: Docket Management Facility; U.S. Department of
Transportation, 400 Seventh Street, SW., Nassif Building, Room PL-401,
Washington, DC 20590-0001.
Fax: (202) 493-2251.
Hand Delivery: Room PL-401 on the plaza level of the
Nassif Building, 400 Seventh Street, SW., Washington, DC, between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
FOR FURTHER INFORMATION CONTACT: Jurgen Priester, Aerospace Engineer,
Special Certification Office, FAA, Rotorcraft Directorate, Southwest
Regional Headquarters, 2601 Meacham Blvd., Fort Worth, Texas 76137;
telephone (817) 222-5159; fax (817) 222-5785.
SUPPLEMENTARY INFORMATION: SAP informed the FAA on July 12, 2006, that
at least nine SAP cylinder assemblies installed in TCM 470, 520, and
550 series reciprocating engines and one installed in LE 320, 360, and
540 series reciprocating engines had separated at the cylinder head-to-
barrel threaded interface because SAP omitted a heat treat process step
during cylinder barrel manufacture. This omission resulted in higher
stresses in the cylinder head-to-barrel threaded interface, leading to
fatigue cracking and cylinder head separation. The lowest time-in-
service (TIS) for a cylinder assembly known to have separated from this
defect is 202 hours TIS. SAP isolated this defect to a specific
production lot of 1,354 barrel forgings used as original equipment on
SAP O-360 engines and in SAP PMA cylinder assemblies as replacement
parts for various TCM, LE, and AL engine models. This AD addresses the
barrels used in SAP PMA cylinders installed in the engines listed
below.
Cylinder Assembly Eligibility
------------------------------------------------------------------------
Series engines P/N cylinder assemblies
------------------------------------------------------------------------
TCM 470, 520, and 550.................. SA47000L-A1, SA47000L-A20P,
SA47000S-A1, SA47000S-A20P,
SA47000S-A21P, SA52000-A1,
SA52000-A20P, SA52000-A21P,
SA52000-A22P, SA52000-A23P,
SA55000-A1, or SA55000-A20P.
[[Page 8090]]
LE 320, 360, and 540 and AL IGO 540.... SL32000W-A1, SL32000W-A20P,
SL32000W-A21P, SL32000WH-A1,
SL32000WH-A20P, SL32006W-A1,
SL32006W-A20P, SL32006W-A21P,
SL36000TW-A1, SL36000TW-A20P,
SL36000TW-A21P, SL36000TW-
A22P, SL36000W-A1, SL36000W-
A20P, SL36000W-A21P, SL36006W-
A1, SL36006W-A20P, or SL36006W-
A21P.
SAP 360................................ SL36006W-A20P.
------------------------------------------------------------------------
FAA's Determination and Requirements of This AD
The unsafe condition described previously is likely to exist or
develop on other TCM 470, 520, and 550; LE 320, 360, and 540; AL 540,
and SAP 360 series reciprocating engines of the same type design with
SAP cast cylinder assemblies that have as original equipment, or have
been overhauled or repaired using SAP part numbers listed in the table
above. For that reason, we are issuing this AD to prevent cylinder
separation which can lead to engine failure, a possible engine
compartment fire, and damage to the airplane. This AD requires removing
from service installed SAP cast cylinder assemblies listed in the table
above, no later than 150 hours total TIS to preclude cylinder head
fatigue failure and separation at the head-to-barrel threaded
interface.
FAA's Determination of the Effective Date
Since an unsafe condition exists that requires the immediate
adoption of this AD, we have found that notice and opportunity for
public comment before issuing this AD are impracticable, and that good
cause exists for making this amendment effective in less than 30 days.
Comments Invited
This AD is a final rule that involves requirements affecting flight
safety and was not preceded by notice and an opportunity for public
comment; however, we invite you to send us any written relevant data,
views, or arguments regarding this AD. Send your comments to an address
listed under ADDRESSES. Include ``AD Docket No. FAA-2006-25948;
Directorate Identifier 2006-NE-32-AD'' in the subject line of your
comments. We specifically invite comments on the overall regulatory,
economic, environmental, and energy aspects of the rule that might
suggest a need to modify it.
We will post all comments we receive, without change, to http://dms.dot.gov
, including any personal information you provide. We will
also post a report summarizing each substantive verbal contact with FAA
personnel concerning this AD. Using the search function of the DMS Web
site, anyone can find and read the comments in any of our dockets,
including the name of the individual who sent the comment (or signed
the comment on behalf of an association, business, labor union, etc.).
You may review the DOT's complete Privacy Act Statement in the Federal
Register published on April 11, 2000 (65 FR 19477-78) or you may visit
http://dms.dot.gov.
Examining the AD Docket
You may examine the docket that contains the AD, any comments
received, and any final disposition in person at the Docket Management
Facility between 9 a.m. and 5 p.m., Monday through Friday, except
Federal holidays. The Docket Office (telephone (800) 647-5227) is
located on the plaza level of the Department of Transportation Nassif
Building at the street address stated in ADDRESSES. Comments will be
available in the AD docket shortly after the DMS receives them.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, Section 106, describes the
authority of the FAA Administrator. Subtitle VII, Aviation Programs,
describes in more detail the scope of the Agency's authority.
We are issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701, ``General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.
Regulatory Findings
We have determined that this AD will not have federalism
implications under Executive Order 13132. This AD will not have a
substantial direct effect on the States, on the relationship between
the national Government and the States, or on the distribution of power
and responsibilities among the various levels of government.
For the reasons discussed above, I certify that this AD:
1. Is not a ``significant regulatory action'' under Executive Order
12866;
2. Is not a ``significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979); and
3. Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
We prepared a summary of the costs to comply with this AD and
placed it in the AD Docket. You may get a copy of this summary at the
address listed under ADDRESSES.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Safety.
Adoption of the Amendment
0
Under the authority delegated to me by the Administrator, the Federal
Aviation Administration amends part 39 of the Federal Aviation
Regulations (14 CFR part 39) as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
2007-04-19 Superior Air Parts, Inc.: Amendment 39-14951. Docket No.
FAA-2006-25948; Directorate Identifier 2006-NE-32-AD.
[[Page 8091]]
Effective Date
(a) This airworthiness directive (AD) becomes effective March
12, 2007.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Superior Air Parts, Inc. (SAP), cast
cylinder assemblies, part numbers (P/Ns): SA47000L-A1, SA47000L-
A20P, SA47000S-A1, SA47000S-A20P, SA47000S-A21P, SA52000-A1,
SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1,
SA55000-A20P installed in Teledyne Continental Motors (TCM) 470,
520, and 550 series reciprocating engines. These P/N cylinder
assemblies may be installed in the TCM engine models listed in the
following Table 1.
Table 1.--Affected Teledyne Continental Engine Models
------------------------------------------------------------------------
Engine model
------------------------------------------------------------------------
O-470.................................. -G, -K, -L, -M, -P, -R, -S, -U.
IO-470................................. -C, -D, -E, -F, -G, -H, -L, -M,
-N, -P, -R, -S, -U, -V.
IO-520................................. -A, B, BA, C, CB, D, E, F, J,
K, L, M, BB, MB.
TSIO-520............................... -AF, B, BB, C, CE, D, DB, E,
EB, G, H, J, JB, K, KB, L, LB,
M, N, NB, P, R, T, UB, VB, WB.
IO-550................................. -A, B, C, D, E, F, L.
------------------------------------------------------------------------
These engine models are installed in, but not limited to, the
aircraft models listed in the following Table 2:
Table 2.--Teledyne Continental Motors-Related Aircraft Models
------------------------------------------------------------------------
Aircraft Aircraft model
Engine model manufacturer designation
------------------------------------------------------------------------
IO-470-C........................ Beechcraft........ J, K, M35.
IO-470-C........................ Navion............ Navion.
IO-470-D........................ Cessna............ 310 G & H.
IO-470-D........................ Rockwell.......... 200 A, B, & C.
IO-470-E........................ Cessna............ 210 & A.
IO-470-F........................ Bellanca.......... 14-19-3.
IO-470-F........................ Cessna............ 185.
IO-470-H........................ Navion............ Range Master.
IO-470-L........................ Beechcraft........ B55 Baron.
IO-470-M........................ Gulfstream........ 500 A.
IO-470-N........................ Beechcraft........ N & P.
IO-470-N........................ Beechcraft........ G33.
IO-470-S........................ Cessna............ 210 B & C.
IO-470-S........................ Cessna............ 205.
IO-470-U........................ Cessna............ 310 I & J.
IO-470-V/VO..................... Cessna............ 310K, L, N, P, &
Q.
IO-520-A........................ Cessna............ 210 D, E, F, G, &
H.
IO-520-A........................ Cessna............ 206.
IO-520-A........................ Cessna............ P206.
IO-520-A........................ Rockwell.......... 200 D.
IO-520-B........................ Beechcraft........ 36 Bonanza.
IO-520-B........................ Beechcraft........ A36.
IO-520-B........................ Navion............ Range Master.
IO-520-BA....................... Beechcraft........ A36.
IO-520-BA....................... Beechcraft........ S & V35, V35A,
V35B.
IO-520-BA....................... Beechcraft........ C33 A.
IO-520-BA....................... Beechcraft........ E33 A & C.
IO-520-BA....................... Beechcraft........ F33 A & C.
IO-520-BA....................... Navion............ Range Master.
IO-520-BB....................... Beechcraft........ A36.
IO-520-BB....................... Beechcraft........ V35B.
IO-520-BB....................... Beechcraft........ F33 A.
IO-520-C & CB................... Beechcraft........ C55-E55 Baron.
IO-520-D........................ Bellanca.......... 17-30 Viking.
IO-520-D........................ Cessna............ A188-300 AG Truck.
IO-520-D........................ Cessna............ 185.
IO-520-E........................ (Cessna 310)...... Exec 600.
IO-520-E........................ (Beech Baron)..... Pres 600.
IO-520-F........................ Cessna............ 207.
IO-520-F........................ Cessna............ U206.
IO-520-K........................ Bellanca.......... 17-30A.
IO-520-L........................ Cessna............ 210 K, L, M, N, &
R.
IO-520-L........................ Cessna............ 210N II.
IO-520-L........................ Cessna............ 210R.
IO-520-M........................ Cessna............ 310R.
IO-520-MB....................... Cessna............ 310R.
IO-550-A........................ Cessna............ 310 Conversion.
IO-550-B........................ Beechcraft........ A36.
IO-550-B........................ (Beech Bonanza)... Foxstar.
IO-550-C........................ Beechcraft........ 58 Baron.
IO-550-D........................ Cessna............ 185/188
Conversion.
IO-550-E........................ Cessna............ 310 Conversion.
IO-550-F........................ Cessna............ 206/207
Conversion.
IO-550-L........................ Cessna............ 210 Conversion.
[[Page 8092]]
O-470-M......................... Cessna............ 310.
O-470-G......................... Beechcraft........ H35.
O-470-K......................... Bellanca.......... 14-19-2.
O-470-K......................... Cessna............ 180 (230 HP).
O-470-L......................... Cessna............ 182.
O-470-L......................... Cessna............ 180D.
O-470-M......................... Cessna............ 310 B.
O-470-P......................... Navion............ Navion.
O-470-R......................... Cessna............ 188-230.
O-470-R......................... Cessna............ 182.
O-470-R......................... Cessna............ 180 E-J.
O-470-S......................... Cessna............ 182.
O-470-U......................... Cessna............ 182.
O-470-U......................... Cessna............ 180 K.
TSIO-520-AF..................... Cessna............ P210N II.
TSIO-520-B...................... Cessna............ 320D, E & F.
TSIO-520-B...................... Cessna............ T310-Q & R.
TSIO-520-BB..................... Cessna............ T310R.
TSIO-520-BE..................... Piper............. PA-46-310 Malibu.
TSIO-520-C...................... Cessna............ T210 F, G, & H.
TSIO-520-C...................... Cessna............ TU206.
TSIO-520-C...................... Cessna............ TP206.
TSIO-520-C&CB................... Beechcraft........ 58 Baron.
TSIO-520-CE..................... Cessna............ T210R.
TSIO-520-CF..................... Cessna............ P210R.
TSIO-520-D...................... Beechcraft........ V35, V35A, V35B-
TC.
TSIO-520-E...................... Cessna............ 402, A & B.
TSIO-520-E...................... Cessna............ 401, A & B.
TSIO-520-EB..................... Cessna............ 335.
TSIO-520-G...................... Cessna............ T207.
TSIO-520-H...................... Cessna............ T210 J, K, & L.
TSIO-520-J...................... Cessna............ 210 J.
TSIO-520-J...................... Cessna............ 414.
TSIO-520-J...................... Riley Conversions. 340 Super Riley.
TSIO-520-L&LB................... Beechcraft........ 58P Baron.
TSIO-520-L&LB................... Beechcraft........ 58TC Baron.
TSIO-520-M...................... Cessna............ T207.
TSIO-520-M...................... Cessna............ TU206.
TSIO-520-N...................... Cessna............ 414-II Chancellor.
TSIO-520-N...................... Cessna............ 340.
TSIO-520-NB..................... Cessna............ 414-II.
TSIO-520-NB..................... Cessna............ 340.
TSIO-520-P...................... Cessna............ P210N.
TSIO-520-R...................... Cessna............ T210 M.
TSIO-520-R...................... Cessna............ T210N II.
TSIO-520-T...................... Cessna............ T188C AG Husky.
TSIO-520-UB..................... Beechcraft........ A36TC Bonanza.
TSIO-520-UB..................... Beechcraft........ B36TC.
TSIO-520-VB..................... Cessna............ 402 C.
TSIO-520-WB..................... Beechcraft........ 58P Baron.
TSIO-520-WB..................... Beechcraft........ 58TC Baron.
------------------------------------------------------------------------
This AD also applies to SAP, cast cylinder assemblies, P/Ns
SL32000W-A1, SL32000W-A20P, SL32000W-A21P, SL32000WH-A1, SL32000WH-
A20P, SL32006W-A1, SL32006W-A20P, SL32006W-A21P, SL36000TW-A1,
SL36000TW-A20P, SL36000TW-A21P, SL36000TW-A22P, SL36000W-A1,
SL36000W-A20P, SL36000W-A21P, SL36006W-A1, SL36006W-A20P, and
SL36006W-A21P installed in Lycoming Engines (LE) 320, 360, and 540
series reciprocating engines and Avco Lycoming 540 series
reciprocating engines. These P/N cylinder assemblies may be
installed in the LE and AL engine models listed in the following
Table 3.
Table 3.--Affected Lycoming Engines and Avco Lycoming Engine Models
------------------------------------------------------------------------
Engine model
------------------------------------------------------------------------
O-320.................................. -A, -B, -C, -D, -E, H.
IO-320................................. -B, -D, -E.
LIO-320................................ -B.
AIO-320................................ -A, -B, -C.
AEIO-320............................... -D, -E.
O-360.................................. -A, -B, -C, -D, -F, -G, -J.
IO-360................................. -B, -L, -M.
LO-360................................. -A.
AEIO-360............................... -B, -H.
HO-360................................. -C.
HIO-360................................ -B.
O-540.................................. -A, -B, -E, -F, -G, -H, -J.
IO-540................................. -A, -C, -D, -N, -T, -V, -W.
AEIO-540............................... -D.
------------------------------------------------------------------------
These engine models are installed in, but not limited to, the
aircraft models listed in the following Table 4:
[[Page 8093]]
Table 4.--Lycoming Engines and Avco Lycoming-Related Aircraft Models
------------------------------------------------------------------------
Aircraft Aircraft model
Engine model manufacturer designation
------------------------------------------------------------------------
O-320-A....................... Mooney Aircraft.. Mark 20A.
O-320-A1A..................... Piper Aircraft... PA-23-150 Apache.
O-320-A1A..................... Piper Aircraft... PA-22-150 Tri-Pacer.
O-320-A1A..................... Piper Aircraft... PA-22S-150 Tri-Pacer.
O-320-A1A..................... Piper Aircraft... PA-25 Pawnee.
O-320-A1A..................... Doyne Aircraft... Doyn-Cessna
170,170A,170B.
O-320-A1A..................... Dinfia........... Ranquel 1A-46.
O-320-A1A..................... Simmering-Graz Flamingo SGP-M-222.
Pauker.
O-320-A1A..................... Aviamilano....... Scricciolo P-19.
O-320-A1A..................... Vos Helicopter Co Spring Bok.
O-320-A1A..................... Mooney Aircraft.. Mark 20A.
O-320-A1B..................... Piper Aircraft... PA-22-150 Tri-Pacer.
O-320-A1B..................... Piper Aircraft... PA-22S-150 Tri-Pacer.
O-320-A1B..................... Piper Aircraft... PA-23 Apache.
O-320-A1B..................... Doyne Aircraft... Doyn-Cessna
170,170A,170B.
O-320-A1B..................... S.O.C.A.T.A...... Horizon (Gardan).
O-320-A2A..................... Piper Aircraft... PA-22-150.
O-320-A2A..................... Piper Aircraft... PA-22S-150.
O-320-A2A..................... Piper Aircraft... Agriculture PA-18A-
150.
O-320-A2A..................... Piper Aircraft... Super Cub PA-18-150.
O-320-A2A..................... Piper Aircraft... Caribbean PA-22-150.
O-320-A2A..................... Piper Aircraft... PA-25 Pawnee.
O-320-A2A..................... Lake Aircraft.... Colonial C1.
O-320-A2A..................... Intermountain Call Air Texas A-5, A-
Mfg. Co. 5T.
O-320-A2A..................... Rawdon Bros...... Rawdon T-1, T-15, T-
15D.
O-320-A2A..................... Shinn Engineering Shinn 2150-A.
O-320-A2A..................... Dinfia........... Ranquel 1A-46.
O-320-A2A..................... Neiva............ 1PD-5802.
O-320-A2A..................... Sud.............. Gardan-Horizon (GY-
80).
O-320-A2A..................... La Verda......... Falco F8L Series II,
America.
O-320-A2A..................... Malmo............ Vipan MF1-10.
O-320-A2A..................... Kingsford Smith.. Autocrat SCRM-153.
O-320-A2B..................... Aero Commander... 100.
O-320-A2B..................... Piper Aircraft... PA-22-150.
O-320-A2B..................... Piper Aircraft... PA-22S-150.
O-320-A2B..................... Piper Aircraft... Cherokee PA-28-150.
O-320-A2B..................... Piper Aircraft... Super Cub PA-18-150.
O-320-A2B..................... Champion Aircraft Challenger 7GCA,
7GCB, 7KC.
O-320-A2B..................... Champion Aircraft Citabria 7GCAA,
7GCRC.
O-320-A2B..................... Champion Aircraft Agriculture 7GCBA.
O-320-A2B..................... Beagle........... Pup 150.
O-320-A2B..................... Arctic........... Interstate S1B2.
O-320-A2B..................... Robinson R-22.
Helicopters.
O-320-A2C..................... Robinson R-22.
Helicopters.
O-320-A2C..................... Varga............ Kachina 2150a.
O-320-A2C..................... Cicare........... Cicare AG.
O-320-A2D..................... Bellanca Aircraft Citabria 150 (7GCAA).
O-320-A2D..................... Bellanca Aircraft Citabria 150S
(7GCBC).
O-320-A2D..................... Bellanca......... Citabria 150S
(7G(.HU).
O-320-A2F..................... Cessna Aircraft.. 177A.
O-320-A3A..................... Piper Aircraft... Apache PA-23.
O-320-A3A..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-A3A..................... Corben-Fettes.... Globe Special (Globe
GC-1B).
O-320-A3B..................... Piper Aircraft... Apache PA-23.
O-320-A3B..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-A3B..................... Teal II.......... TSC 1A2.
O-320-B1A..................... Piper Aircraft... Apache PA-23-160.
O-320-B1A..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-B1A..................... Malmo............ Vipan MF1-10.
O-320-B1B..................... Piper Aircraft... Apache PA-23-160.
O-320-B1B..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-B2A..................... Piper Aircraft... PA-22-160.
O-320-B2A..................... Piper Aircraft... PA-22S-160.
O-320-B2B..................... Piper Aircraft... PA-22-160.
O-320-B2B..................... Piper Aircraft... PA-22S-160.
O-320-B2B..................... Beagle........... Airedale D5-160.
O-320-B2B..................... Fuji-Heavy Fuji F-200.
Industries.
O-320-B2B..................... Uirapuru......... Aerotec 122.
O-320-B2C..................... Robinson R22-HP, Alpha, Beta.
Helicopters.
O-320-B2D..................... Maule............ MX-7-160.
O-320-B2E..................... Lycon............
O-320-B3A..................... Piper Aircraft... Apache PA-23-160.
[[Page 8094]]
O-320-B3A..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-B3B..................... Piper Aircraft... PA-23-160 Apache.
O-320-B3B..................... Doyn Aircraft.... Doyn-Cessna 170,
170A, 170B.
O-320-B3B..................... Sud.............. Gardan (GY8O-160).
O-320-C1A..................... Piper Aircraft... Apache PA-23-160.
O-320-C1A..................... Riley Aircraft... Rayjay (Apache).
O-320-C1B..................... Piper Aircraft... Apache PA-23-160.
O-320-C3A..................... Piper Aircraft... Apache PA-23-160.
O-320-C3B..................... Piper Aircraft... Apache PA-23-160.
O-320-D1A..................... Sud.............. Gardan (GY80).
O-320-D1A..................... Gyroflug......... Speed Cancard.
O-320-D1A..................... Grob............. G115.
O-320-D1D..................... Gulfstream....... GA-7.
O-320-D1F..................... Slingsby......... T67 Firefly.
O-320-D2A..................... Piper Aircraft... Cherokee PA-28S-160.
O-320-D2A..................... Robin............ Major DR400-140B.
O-320-D2A..................... Robin............ Chevalier DR-360, R-
3140.
O-320-D2A..................... S.O.C.A.T.A...... Tampico TB9.
O-320-D2A..................... Slingsby......... T67C Firefly.
O-320-D2A..................... Daetwyler........ MD-3-160.
O-320-D2A..................... Nash Aircraft Ltd Petrel.
O-320-D2A..................... Aviolight........ P66D Delta.
O-320-D2A..................... General Avia..... Pinguino.
O-320-D2B..................... Beechcraft....... Musketeer A23.
O-320-D2B..................... Piper Aircraft... Cherokee PA-28-160.
O-320-D2J..................... Cessna........... Skyhawk 172 P.
O-320-D3G..................... Piper Aircraft... Cadet PA-28-161.
O-320-D3G..................... Piper Aircraft... Warrior II.
O-320-E1A..................... Grob............. G115.
O-320-E1C..................... M.B.B Monsun (BO-209-B).
(Messerschmitt-
Boelkow-Blohm).
O-320-E1F..................... M.B.B............ Monsun (BO-209-B).
O-320-E2A..................... Piper Aircraft... Cherokee PA-28-140.
O-320-E2A..................... Piper Aircraft... Cherokee PA-28-150.
O-320-E2A..................... Robin............ Major (DR-340).
O-320-E2A..................... Robin............ Sitar.
O-320-E2A..................... Robin............ Bagheera (GY-100-
135).
O-320-E2A..................... S.O.C.A.T.A...... Super Rallye (MS-
886).
O-320-E2A..................... S.O.C.A.T.A...... Rallye Commodore (MS-
892).
O-320-E2A..................... Siai-Marchetti... S-202.
O-320-E2A..................... F.F.A............ Bravo (AS-202/15).
O-320-E2A..................... Partenavia....... Oscar (P66B).
O-320-E2A..................... Partenavia....... Bucker (131 APM).
O-320-E2A..................... Aeromot.......... Paulistina P-56.
O-320-E2A..................... Pezetel.......... Koliber 150.
O-320-E2C..................... Beechcraft....... Musketeer (B19).
O-320-E2C..................... Beechcraft....... Musketeer III (M-
23111).
O-320-E2C..................... M.B.B............ Monsun (BO-209-B).
O-320-E2D..................... Beechcraft....... B19 Sport.
O-320-E2D..................... Cessna........... 177.
O-320-E2D..................... Cessna........... 172 I-M.
O-320-E2D..................... Piper Aircraft... PA-28-151.
O-320-E2D..................... Piper Aircraft... PA-28-140.
O-320-E2D..................... Cessna........... Cardinal (172.1,
177).
O-320-E2F..................... M.B.B............ Monsun (BO-209-B).
O-320-E2F..................... M.B.B............ Wassmer Pacific (WA-5
1).
O-320-E2G..................... Gulfstream....... AA5 Traveler.
O-320-E2G..................... Gulfstream....... AA5A Cheetah.
O-320-E3D..................... Beechcraft....... B19 Sport.
O-320-E3D..................... Piper Aircraft... Cherokee (140).
O-320-H2AD.................... Cessna........... Skyhawk 172 N.
O-320-H2AD.................... Partenavia....... P-66C.
O-320A2C...................... Varga............ Kachina 2150.
IO-320-B2A.................... Piper Aircraft... Twin Comanche (PA-
30).
IO-320-B1C.................... Hi...............
IO-320-B1C.................... Shear............
IO-320-B1C.................... Wing.............
IO-320-B1D.................... Ted Smith Aerostar.
Aircraft.
IO-320-D1A.................... M.B.B............ Monsun (BO-209-C).
IO-320-D1B.................... M.B.B............ Monsun (BO-209-C).
IO-320-E1A.................... Champion......... KCAB.
IO-320-E1A.................... M.B.B............ Monsun (BO-209-C).
IO-320-E1B.................... Bellanca Aircraft
[[Page 8095]]
IO-320-E2A.................... Champion......... 7 KCAB.
IO-320-E2A.................... Champion Aircraft Citabria.
IO-320-E2B.................... Bellanca Aircraft
IO/LIO-320-B1A................ Piper Aircraft... PA-30 Comanche (2).
IO/LIO-320-B1A................ Piper Aircraft... Twin Comanche (PA-
39).
AIO-320-B1B................... M.B.B............ Monsun (BO-209-C).
AEIO-320-D1B.................. Slingsby......... T67M Firefly.
AEIO-320-D2B.................. Hundustan HT-2.
Aeronautlcs Ltd.
AEIO-320-E1A.................. Bellanca Aircraft
AEIO-320-E1A.................. Champion Aircraft
AEIO-320-EIB.................. Bellanca Aircraft
AEIO-320-EIB.................. Champion Aircraft Decathalon (8KCAB-
CS).
AEIO-320-E2B.................. Bellanca Aircraft
AEIO-320-E2B.................. Champion Aircraft Decathalon (8KCAB).
O-320-A1A..................... Riley Aircraft... Riley Twin.
O-360-A1A..................... Beechcraft....... Travel Air (95, B-
95).
O-360-A1A..................... Piper Aircraft... Comanche (PA-24).
O-360-A1A..................... Intermountain Call Air (A-6).
Mfg. Co.
O-360-A1A..................... Lake Aircraft.... Colonial (C-2, LA-4,
4A or 4P).
O-360-A1A..................... Doyn Aircraft.... Doyn-Cessna (170B,
172, 172A, 172B).
O-360-A1A..................... Mooney Aircraft.. Mark ``20B'' (M-20B).
O-360-A1A..................... Earl Horton...... Pawnee (Piper PA-25).
O-360-A1A..................... Dinfia........... Ranquel (IA-51).
O-360-A1A..................... Neiva............ (IPD-5901).
O-360-A1A..................... Regente.......... (N-591).
O-360-A1A..................... Wassmer.......... Super 4 (WA-50A).
O-360-A1A..................... Wassmer.......... Sancy (WA-40).
O-360-A1A..................... Wassmer.......... Baladou (WA-40).
O-360-A1A..................... Wassmer.......... Pariou (WA-40).
O-360-A1A..................... Sud.............. Gardan (GY-180).
O-360-A1A..................... Bolkow........... (207).
O-360-A1A..................... Partenavia....... Oscar (P-66).
O-360-A1A..................... Siai-Marchetti... (S-205).
O-360-A1A..................... Procaer.......... Picchio (F-15-A).
O-360-A1A..................... S.A.A.B.......... Safir (91-D).
O-360-A1A..................... Malmo............ Vipan (MF-1OB).
O-360-A1A..................... Aero Boero....... AB-180.
O-360-A1A..................... Beagle........... Airedale (A-109).
O-360-A1A..................... DeHavilland...... Drover (DHA-3MK3).
O-360-A1A..................... Kingsford-Smith.. Bushmaster (J5-6).
O-360-A1A..................... Aero Engine Victa (R-2).
Service Ltd.
O-360-A1AD.................... S.O.C.A.T.A...... Tabago TB-10.
O-360-A1D..................... Piper Aircraft... Comanche (PA-24).
O-360-A1D..................... Lake Aircraft.... Colonial (LA-4, 4A or
4P).
O-360-A1D..................... Doyn Aircraft.... Doyn-Beech (Beech
95).
O-360-A1D..................... Mooney Aircraft.. Master 21 (M-20E).
O-360-A1D..................... Mooney Aircraft.. Mark 20B, 20D, (M2OB,
M2OC).
O-360-A1D..................... Mooney Aircraft.. Mooney Statesman (M-
20G).
O-360-A1D..................... Dinfia........... Querandi (IA-45).
O-360-A1D..................... Wassmer.......... (WA-50).
O-360-A1D..................... Malmo............ Vipan (MFI-10).
O-360-A1D..................... Cessna Aircraft.. Skyhawk.
O-360-A1D..................... Doyn Aircraft.... Doyn-Piper PA-23-160.
O-360-AIF6.................... Cessna Aircraft.. Cardinal.
O-360-AIF6D................... Cessna Aircraft.. Cardinal 177.
O-360-AIF6D................... Teal III......... TSC (1A3).
O-360-A1G6.................... Aero Commander...
O-360-A1G6D................... Beech Aircraft... Duchess 76.
O-360-AIH6.................... Piper Aircraft... Seminole (PA-44).
O-360-Al LD................... Wassmer.......... Europa WA-52.
O-360-AIP..................... Aviat............
O-360-AIP..................... Husky............
O-360-A2A..................... Center Est Regente (DR-253).
Aeronautique.
O-360-A2A..................... S.O.C.A.T.A...... RalIye Commodore (MS-
893).
O-360-A2A..................... Societe Mousquetaire (D-140).
Aeronautique
Normande.
O-360-A2A..................... Bolkow........... Klemm (Kl-1 07C).
O-360-A2A..................... Partenavia....... Oscar (P-66).
O-360-A2A..................... Beagle........... Husky (D5-180) (J1-
U).
O-360-A2D..................... Piper Aircraft... Comanche PA-24.
O-360-A2D..................... Piper Aircraft... Cherokee C PA-28-180.
O-360-A2D..................... Mooney Aircraft.. Master 21 (M-20D).
O-360-A2D..................... Mooney Aircraft.. Mark 21 (M-20E).
[[Page 8096]]
O-360-A2E..................... Std. Helicopter..
O-360-A2F..................... Aero Commander... Lark (100).
O-360-A2F..................... Cessna Aircraft.. Cardinal.
O-360-A2G..................... Beech Aircraft... Sport.
O-360-A3A..................... C.A.A.R.P.S.A.N.. (M-23111).
O-360-A3A..................... Societe Jodel (D-140C).
Aeronautique
Normande.
O-360-A3A..................... Robin............ Regent (DR400/180).
O-360-A3A..................... Robin............ Remorqueur (DR400/
180R).
O-360-A3A..................... Robin............ R-3170.
O-360-A3A..................... S.O.C.A.T.A...... Rallye 18OGT.
O-360-A3A..................... S.O.C.A.T.A...... Sportavia Sportsman
(RS-180).
O-360-A3A..................... Norman Aerospace NAC-1 Freelance.
Co.
O-360-A3A..................... Nash Aircraft Ltd Petre.
O-360-A3AD.................... S.O.C.A.T.A...... TB-l0.
O-360-A3AD.................... Robin............ Aiglon (R-l 180T).
O-360-A4A..................... Piper Aircraft... Cherokee ``D'' PA-28-
180.
O-360-A4D..................... Varga............ Kachina.
O-360-A4G..................... Beech Aircraft... Musketeer Custom III.
O-360-A4K..................... Grumman American. Tiger.
O-360-A4K..................... Beech Aircraft... Sundowner 180.
O-360-A4M..................... Piper Aircraft... Archer II PA-28-18.
O-360-A4M..................... Valmet........... PIK-23.
O-360-A4N..................... Cessna Aircraft.. 172 (Optional).
O-360-A4P..................... Penn Yan......... Super Cub Conversion.
O-360-A5AD.................... C. Itoh and Co... Fuji FA-200.
O-360-B2C..................... Seabird Aviation. SB7L.
O-360-C1A..................... Intermountain Call Air (A-6).
Mfg. Co.
O-360-CIE..................... Bellanca Aircraft Scout (8GCBC-CS).
O-360-C1F..................... Maule............ Star Rocket MX-7-180.
O-360-C1G..................... Christen......... Husky (A-1).
O-360-C2B..................... Hughes Tool Co... (269A).
O-360-C2D..................... Hughes Tool Co... (269A).
O-360-C2E..................... Hughes Tool Co... YHO-2HU Military.
O-360-C2E..................... Bellanca Aircraft Scout 8GCBC FP.
O-360-C4F..................... Maule............ MX-7-180A.
O-360-C4P..................... Penn Van......... Super Cub Conversion.
O-360-F1A6.................... Cessna Aircraft.. Cutlass RG.
O-360-J2A..................... Robinson......... R22.
IO-360-B1A.................... Beech Aircraft... Travel-Air (B-95A).
IO-360-B1A.................... Doyn Aircraft.... Doyn-Piper PA-23-200.
IO-360-B1B.................... Beech Aircraft... Travel-Air (B-95B).
IO-360-B1B.................... Doyn Aircraft.... Doyn-Piper PA-23-200.
IO-360-B1B.................... Fuji............. FA-200.
IO-360-B1D.................... United See-Bee.
Consultants.
IO-360-BIE.................... Piper Aircraft... Arrow PA-28-180R.
IO-360-BIF.................... Utva............. 75.
IO-360-B2E.................... C.A.A.R.P........ C.A.P. (10).
IO-360-BIF6................... Great Lakes...... Trainer.
IO-360-B1G6................... American Blimp... Spector 42.
IO-360-B2F6................... Great Lakes...... Trainer.
LO-360-A1 G6D................. Beech Aircraft... Duchess.
LO-360-A1H6................... Piper Aircraft... Seminole (PA-44).
IO-360-EIA.................... T.R. Smith Aerostar.
Aircraft.
IO-360-L2A.................... Cessna Aircraft.. Skyhawk C-172.
IO-360-M1A.................... Diamond Aircraft. DA-40.
IO-360-M1B.................... Vans Aircraft.... RV6, RV7, RV8.
IO-360-M1B.................... Lancair.......... 360.
AIO-360-B1B................... Moravan.......... Zim (Z-526-L).
AEIO-360-B1G6................. Great Lakes......
AEIO-360-B2F.................. Mundry........... CAP-10.
AEIO-360-B4A.................. Pitts............ S-1S.
AEIO-360-HIA.................. Bellanca Aircraft Super Decathalon
(8KCAB-180).
AEIO-360-HIB.................. American Champion Super Decathalon.
HO-360-B1A.................... Hughes Tool Co... 269A.
HO-360-B1B.................... Hughes Tool Co... 269A.
HO-360-C1A.................... Schweizer........ 300C.
HIO-360-A1A................... Hughes Tool Co... 300.
H1O-360-A1B................... Silvercraft......
HIO-360-B1A................... Hughes Tool Co... Military 269-A-1.
HlO-360-BIB................... Hughes Tool Co... 269A.
HIO-360-D1A................... Hughes Tool Co... 269C, 300C.
HIO-360-D1A................... Schweizer........ 300C.
[[Page 8097]]
HIO-360-E1AD.................. Enstrom F28C.
Helicopter.
HIO-360-E1BD.................. Enstrom F28C.
Helicopter.
HIO-360-F1AD.................. Enstrom Faicon F28F.
Helicopter.
HIO-360-F1AD.................. Enstrom Shark 280FX.
Helicopter.
HIO-360-F1AD.................. Enstrom Sentine F28F-P.
Helicopter.
HIO-360-G1A................... Schweizer........ CB.
LHIO-360-C1A.................. Silvercraft...... SH-4 Helicopter.
LHIO-360-C1B.................. Silvercraft...... SH-3 Helicopter.
O-540-AIA..................... Rhein-Flugzeugbau RF-1.
O-540-AIA5.................... Piper Aircraft... Comanche PA-24-150.
O-540-AIA5.................... Helio............ Military H-250.
O-540-AIA5.................... Yoeman Aviation.. YA-1.
O-540-A1B5.................... Piper Aircraft... Aztec PA-23-250.
O-540-A1B5.................... Piper Aircraft... Comanche PA-24-250.
O-540-AIC5.................... Piper Aircraft... Comanche PA-24-250.
O-540-A1D..................... Found Bros....... FBA-2C.
O-540-A1D..................... Dornier.......... DO-28-B1.
O-540-AID5.................... Piper Aircraft... Aztec PA-23-250.
O-540-AID5.................... Piper Aircraft... Comanche PA-24-250.
O-540-AID5.................... Piper Aircraft... Military Aztec U-1
1A.
O-540-AID5.................... Dornier.......... DO-28.
O-540-A2B..................... Aero Commander... 500.
O-540-A2B..................... Mld-States Mfg. Twin Courier 11-500,
Co. U-5.
O-540-A3D5.................... Piper Aircraft... Navy Aztec PA-23-250.
O-540-B1A5.................... Piper Aircraft... Apache PA-23-235.
O-540-BIB5.................... Piper Aircraft... Cherokee PA-24-250.
O-540-BIB5.................... Doyn Aircraft.... Doyn-Piper PA-24-250.
O-540-BID5.................... Wassmer.......... WA-421.
O-540-B2B5.................... Piper Aircraft... Pawnee PA-24-235.
O-540-B2B5.................... Piper Aircraft... Cherokee PA-28-235.
O-540-B2B5.................... Piper Aircraft... Aztec PA-23-235.
O-540-B2B5.................... Intermountain Call Air A-9.
Mfg. Co.
O-540-B2B5.................... Rawdon Bros...... Rawdon T-l.
O-540-B2B5.................... S.O.C.A.T.A...... Rallye 235CA.
O-540-B2C5.................... Piper Aircraft... Pawnee PA-24-235.
O-540-B4B5.................... Piper Aircraft... Cherokee PA-28-235.
O-540-B4B5.................... Embraer.......... Corioca EMB-710.
O-540-B4B5.................... S.O.C.A.T.A...... Rallye 235GT.
O-540-B4B5.................... S.O.C.A.T.A...... Rallye 235C.
O-540-B4B5.................... Maule............ Star Racket MX-7-235.
O-540-B4B5.................... Maule............ Super Rocket M-6-235.
O-540-B4B5.................... Maule............ Super Std. Racket M-7-
235.
O-540-E4A5.................... Piper Aircraft... Comanche PA-24-260.
O-540-E4A5.................... Aviamilano....... Flamingo F-250.
O-540-E4A5.................... Siai-Marcbetti... SF-260, SF-208.
O-540-E4B5.................... Britten-Norman... BN-2.
Piper Aircraft... Cherokee Six PA-32-
260.
O-540-E4C5.................... Pilatus Britten- Islander BN-2A-26.
Norman.
O-540-E4C5.................... Pilatus Britten- Islander BN-2A-27.
Norman.
O-540-E4C5.................... Pilatus Britten- Islander II BN-2B-26.
Norman.
O-540-E4C5.................... Pilatus Britten- Islander BN-2A-2 1.
Norman.
O-540-E4C5.................... Pilatus Britten- Trislander BN-2A-Mark
Norman. 111-2.
O-540-F1B5.................... Omega Aircraft... BS-12D1.
O-540-F1B5.................... Robinson......... R-44.
O-540-G1A5.................... Piper Aircraft... Pawnee PA-25-260.
O-540-H1B5D................... Aero Boero....... 260.
O-540-H2A5.................... Embraer.......... Impanema ``AG''.
O-540-H2A5.................... Gippsland........ GA-200.
O-540-H2B5D................... Aero Boero....... 260.
O-540-J1A5D................... Maule............ Star Rocket MX-7-235.
O-540-J1A5D................... Maule............ Super Rocket M-6-235.
O-540-J1A5D................... Maule............ Super Std. Rocket M-7-
235.
O-540-J3A5.................... Robin............ R-3000/235.
O-540-J3A5D................... Piper Aircraft... Dakota PA-28-236.
O-540-J3C5D................... Cessna Aircraft.. Skylane RG.
IO-540-A1A5................... Doyn Aircraft.... Doyn-Piper PA-23-250.
IO-540-A1A5................... Riley Aircraft... Rocket-Cessna 310.
IO-540-A1A5................... Dornier.......... DO-8-B 1.
IO-540-A1A5................... Siai-Marchetti...
IO-540-C1B5................... Piper Aircraft... Aztec B PA-23-250.
IO-540-C1B5................... Piper Aircraft... Comanche PA-24-250.
IO-540-C1C5................... Riley Aircraft... Turbo-Rocket.
[[Page 8098]]
IO-540-C4B5................... Piper Aircraft... Aztec C PA-23-250.
IO-540-C4B5................... Piper Aircraft... Aztec F.
IO-540-C4B5................... Wassmer.......... WA4-2 1.
IO-540-C4B5................... Avions Pierre HR 100/250.
Robin.
IO-540-C4B5................... Bellanca Aircraft Aries T-250.
IO-540-C4B5................... Aerofab.......... Renegade 250.
IO-540-C4D5................... S.O.C.A.T.A...... TB-20.
IO-540-C4DSD.................. S.O.C.A.T.A...... Trinidad TB-20.
IO-540-D4A5................... Piper Aircraft... Comanche PA-24-260.
IO-540-D4A5................... Siai-Marchetti... SF-260.
IO-540-D4B5................... Cerva............ CE-43 Guepard.
IO-540-E1A5................... Aero Commander... 500-E.
IO-540-EIB5................... Aero Commander... 500-U.
IO-540-EIB5................... Shrike........... 500-S.
IO-540-EIB5................... Poeschel......... P-300.
IO-540-GIA5................... Doyn Aircraft.... Doyn-Piper PA-23-250.
IO-540-GIA5................... Riley Aircraft... Turbo-Aztec.
IO-540-GIA5................... DeHavilland...... Heron Conversion.
IO-540-GIB5................... T.R. Smith Aerostar 600.
Aircraft.
IO-540-GIB5................... Found Bros....... Centennial 100.
IO-540-G1C5................... Intermountain Call Air 1AR821.
Mfg. Co.
IO-540-G1DS................... Intermountain IAR-822, IAR-826, IAR-
Mfg. Co. 823.
IO-540-G1F5................... Bellanca Aircraft
IO-540-N lA5.................. Piper Aircraft... Comanche 260.
IO-540-T4A5D.................. General Aviation. Model 114.
IO-540-T4B5................... Commander........ 1 14B.
IO-540-T4B5D.................. Rockwell......... 114.
IO-540-T4C5D.................. Lake Aircraft.... Seawolf.
IO-540-WIA5................... Maule............ MX-7-235, MT-7-235,
M7235.
IO-540-W1A5D.................. Maule............ Star Rocket MX-7-235.
IO-540-W1A5D.................. Maule............ Super Rocket M-6-235.
IO-540-W1A5D.................. Maule............ Super Std. Rocket M-7-
235.
IO-540-W3A5D.................. Schweizer........ Power Glider.
IO-540-AB1A5.................. Cessna Aircraft.. Skylane C-182.
AEIO-540-D4A5................. Christen......... Pitts S-2S, S-2B.
AEIO-540-D4A5................. Siai-Marchetti... SF-260.
AEIO-540-D4A5................. H.A.L............ HPT-32.
AEIO-540-D4A5................. Slingsby......... Firefly T3A
AEIO-540-D4B5................. Moravan.......... Zlin-50L
AEIO-540-D4B5................. H.A.L............ HPT-32.
AEIO-540-D4D5................. Burkhart Grob.... Grob G, 1 15T Aero.
------------------------------------------------------------------------
These engine models are known to be installed in the aircraft
models listed in the following Table 5:
Table 5.--Superior Air Parts, Inc.-Related Aircraft Models
------------------------------------------------------------------------
Aircraft Aircraft model
Engine model manufacturer designation
------------------------------------------------------------------------
O-360-A3A2...................... American Champion. 7GCBC & 7GCAA
------------------------------------------------------------------------
Unsafe Condition
(d) This AD results from the discovery of nine separated SAP
cylinder assemblies installed in TCM 470, 520, and 550 series
reciprocating engines and one separated SAP cylinder assembly
installed in LE 320, 360, and 540 series reciprocating engines. We
are issuing this AD to prevent cylinder separation that can lead to
engine failure, a possible engine compartment fire, and damage to
the airplane.
Compliance
(e) You are responsible for having the actions required by this
AD performed within the compliance times specified unless the
actions have already been done.
Determining Which Cast Cylinder Assemblies Are Installed
(f) If aircraft engine records do not list the P/N of the
cylinder installed during engine overhaul or repair, visually
inspect the cylinders. The affected SAP cylinder head flanges are
marked: SA47000L-A1, SA47000L-A20P, SA47000S-A1, SA47000S-A20P,
SA47000S-A21P, SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P,
SA52000-A23P, SA55000-A1, or SA55000-A20P or SL32000W-A1, SL32000W-
A20P, SL32000W-A21P, SL32000WH-A1, SL32000WH-A20P, SL32006W-A1,
SL32006W-A20P, SL32006W-A21P, SL36000TW-A1, SL36000TW-A20P,
SL36000TW-A21P, SL36000TW-A22P, SL36000W-A1, SL36000W-A20P,
SL36000W-A21P, SL36006W-A1, SL36006W-A20P, or SL36006W-A21P.
Cylinder Assembly Removal
(g) Remove all cylinder assemblies with a serial number of
47LE053559 through 47LF053643, or 47SE054212 through 47SF054251, or
52D0531708 through 52H0532197, or 55E05223 through 55G05289, or
32WE059006 through
[[Page 8099]]
32WF059067, or 32WHE05379 through 32WHE05392, or 326WF055517 through
326WF055532, or 36TWF05430 through 36TWG05453, or 36WF058058 through
36WJ058182, or 366WE056944 through 366WL058131 no later than 150
hours total time-in-service (TIS) to preclude cylinder head fatigue
failure and separation at the head-to-barrel threaded interface.
(h) For cylinder assemblies with more than 150 hours total TIS
on the effective date of this AD, a 10 hour TIS extension is
permitted for the purpose of flying the aircraft to a location where
maintenance action can be done to meet the requirements of this AD.
(i) After the effective date of this AD, do not install any
cylinder assemblies with P/Ns SA47000L-A1, SA47000L-A20P, SA47000S-
A1, SA47000S-A20P, SA47000S-A21P, SA52000-A1, SA52000-A20P, SA52000-
A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P,or
SL32000W-A1, SL32000W-A20P, SL32000W-A21P, SL32000WH-A1, SL32000WH-
A20P, SL32006W-A1, SL32006W-A20P, SL32006W-A21P, SL36000TW-A1,
SL36000TW-A20P, SL36000TW-A21P, SL36000TW-A22P, SL36000W-A1,
SL36000W-A20P, SL36000W-A21P, SL36006W-A1, SL36006W-A20P, or
SL36006W-A21P, with a serial number of 47LE053559 through
47LF053643, or 47SE054212 through 47SF054251, or 52D0531708 through
52H0532197, or 55E05223 through 55G05289, or 32WE059006 through
32WF059067, or 32WHE05379 through 32WHE05392, or 326WF055517 through
326WF055532, or 36TWF05430 through 36TWG05453, or 36WF058058 through
36WJ058182, or 366WE056944 through 366WL058131 into any engine.
Alternative Methods of Compliance
(j) The Manager, Special Certification Office, FAA, Rotorcraft
Directorate, has the authority to approve alternative methods of
compliance for this AD if requested using the procedures found in 14
CFR 39.19.
Special Flight Permits
(k) For aircraft with engines that have between 140 hours and
150 hours TIS only, special flight permits may be issued in
accordance with Sec. Sec. 21.197 and 21.199 of the Federal Aviation
Regulations (14 CFR 21.197 and 21.199) to operate the aircraft to a
location where the requirements of this AD can be done. Special
flight permits may not be issued for aircraft that have utilized the
provisions of paragraph (h) of this AD.
Related Information
(l) Superior Air Parts, Inc. Mandatory Service Bulletin B06-01,
Rev. E, dated January 24, 2007, contains information related to the
subject of this AD.
(m) Contact Jurgen Priester, Aerospace Engineer, Special
Certification Office, FAA, Rotorcraft Directorate, Southwest
Regional Headquarters, 2601 Meacham Blvd., Fort Worth, Texas 76137;
e-mail: jurgen.priester@faa.gov; telephone (817) 222-5159; fax (817)
222-5785 for more information about this AD.
Material Incorporated by Reference
(n) None..
Issued in Burlington, Massachusetts, on February 13, 2007.
Peter A. White,
Acting Manager, Engine and Propeller Directorate, Aircraft
Certification Service.
[FR Doc. E7-2985 Filed 2-22-07; 8:45 am]
BILLING CODE 4910-13-P