[Federal Register: October 13, 2006 (Volume 71, Number 198)]
[Rules and Regulations]
[Page 60414-60417]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr13oc06-2]
[[Page 60414]]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2006-24010; Directorate Identifier 2006-CE-14-AD;
Amendment 39-14787; AD 2006-21-03]
RIN 2120-AA64
Airworthiness Directives; Cirrus Design Corporation Models SR20
and SR22 Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: The FAA adopts a new airworthiness directive (AD) for certain
Cirrus Design Corporation (CDC) Models SR20 and SR22 airplanes. This AD
requires you to check the maintenance records to determine whether the
brake caliper piston O-ring seals were replaced at the last annual or
100-hour inspection. If the O-rings were not replaced, this AD requires
you to replace the O-ring seals with new seals or replace brake
calipers. This AD also requires you to modify the main landing gear
wheel fairings to add temperature indicator sticker inspection holes,
trim the wheel fairings to prevent them from holding fluids, install
temperature indicator stickers on the brake calipers, and insert
Revision A6 (with revised preflight walk-around, a limitation on the
engine speed used to taxi, and brake inspection/servicing intervals)
into the Pilot's Operating Handbook (POH). This AD results from several
reports of airplanes experiencing brake fires and two airplanes losing
directional control. We are issuing this AD to detect, correct, and
prevent overheating damage to the brake caliper piston O-ring seals,
which could result in leakage of brake hydraulic fluid. Consequently,
this could lead to the loss of braking with loss of airplane
directional control or brake fire.
DATES: This AD becomes effective on November 17, 2006.
As of November 17, 2006, the Director of the Federal Register
approved the incorporation by reference of certain publications listed
in the regulation.
ADDRESSES: To get the service information identified in this AD,
contact Cirrus Design Corporation, 4515 Taylor Circle, Duluth,
Minnesota 55811; telephone: (218) 727-2737 or on the Internet at http://www.cirrusdesign.com
.
To view the AD docket, go to the Docket Management Facility; U.S.
Department of Transportation, 400 Seventh Street, SW., Nassif Building,
Room PL-401, Washington, DC 20590-001 or on the Internet at http://dms.dot.gov.
The docket number is Docket No. FAA-2006-24010;
Directorate Identifier 2006-CE-14-AD.
FOR FURTHER INFORMATION CONTACT: Wess Rouse, Aerospace Engineer, ACE-
117C, Chicago Aircraft Certification Office, 2300 East Devon Avenue,
Room 107, Des Plaines, Illinois 60018; telephone: (847) 294-8113;
facsimile: (847) 294-7834.
SUPPLEMENTARY INFORMATION:
Discussion
On May 1, 2006, we issued a proposal to amend part 39 of the
Federal Aviation Regulations (14 CFR part 39) to include an AD that
would apply to certain CDC Models SR20 and SR22 airplanes. This
proposal was published in the Federal Register as a notice of proposed
rulemaking (NPRM) on May 8, 2006 (71 FR 26707). The NPRM proposed to
require you to check the maintenance records to determine whether the
brake caliper piston O-ring seals were replaced at the last annual or
100-hour inspection. If the O-rings were not replaced, this proposed AD
would require you to replace the O-ring seals with new seals or replace
brake calipers. This proposed AD would also require you to modify the
main landing gear wheel fairings to add temperature indicator sticker
inspection holes, trim the wheel fairings to prevent them from holding
fluids, install temperature indicator stickers on the brake calipers,
and insert Revision A6 (with revised preflight walk-around and taxi
procedures) into the Pilot's Operating Handbook (POH).
Comments
We provided the public the opportunity to participate in developing
this AD. The following presents the comment received on the proposal
and FAA's response to the comment:
Comment Issue: Increase Emphasis on the Operational Aspects of
Overheating of the Brakes
CDC points out that the brakes, as delivered, meet certification
requirements, and when properly used, will provide the expected
performance and service. We conclude that CDC believes that the AD
overemphasizes the required maintenance actions and hardware upgrades,
without explaining the operational details that will prevent brake
caliper O-ring damage.
Our intent is that the AD stress continued operational safety by
removing and replacing potentially damaged O-rings or replacement of
existing brake calipers with new heavier duty calipers (with new O-
rings installed), adding brake caliper temperature stickers with a new
inspection hole in the wheel fairings (to detect potential O-ring
damage before brake fluid leaks develop), and adding a revision to the
Pilot's Operating Handbook (to emphasize brake preflight inspections,
checking the color of the brake caliper temperature sticker for
evidence of brake caliper overheating, and limiting the engine RPM
during taxi to 1000 RPM).
We agree that the operational change to limit engine RPM during
taxi (found in Revision A6 to the POH) is the most important
consideration toward preventing brake caliper O-ring seal damage. This
AD is requiring this action so we are not changing the AD as a result
of this comment.
Conclusion
We have carefully reviewed the available data and determined that
air safety and the public interest require adopting the AD as proposed
except for minor editorial corrections. We have determined that these
minor corrections:
Are consistent with the intent that was proposed in the
NPRM for correcting the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the NPRM.
Costs of Compliance
We estimate that this AD affects 2,135 airplanes in the U.S.
registry.
We estimate the following costs to do the check of maintenance
records to determine whether the brake caliper piston O-ring seals were
replaced at the last annual or 100-hour inspection:
----------------------------------------------------------------------------------------------------------------
Total cost per Total cost on
Labor cost Parts cost airplane U.S. operators
----------------------------------------------------------------------------------------------------------------
1 work-hour x $80 = $80...................... Not Applicable................. $80 $170,800
----------------------------------------------------------------------------------------------------------------
[[Page 60415]]
We estimate the following costs to install any necessary O-ring
seals that would be required based on the results of this check of
maintenance records. We have no way of determining the number of
airplanes that may need this seal installation:
------------------------------------------------------------------------
Total cost per
Labor cost Parts cost airplane
------------------------------------------------------------------------
4 work-hours x $80 = $320............. $8 $328
------------------------------------------------------------------------
We estimate the following costs to replace any brake calipers on
Model SR20 airplanes, serial numbers (S/Ns) 1005 through 1194, that
would be required based on the results of this check of maintenance
records. We have no way of determining the number of these Model SR20
airplanes that may need to replace brake calipers:
------------------------------------------------------------------------
Total cost per
Labor cost Parts cost airplane
------------------------------------------------------------------------
12 work-hours x $80 = $960............ $1,167 $2,127
------------------------------------------------------------------------
We estimate the following costs to replace any brake calipers on
Model SR20 airplanes, S/Ns 1195 through 1600, that would be required
based on the results of this check of maintenance records. We have no
way of determining the number of these Model SR20 airplanes that may
need to replace brake calipers:
------------------------------------------------------------------------
Total cost per
Labor cost Parts cost airplane
------------------------------------------------------------------------
8 work-hours x $80 = $640............. $1,167 $1,807
------------------------------------------------------------------------
We estimate the following costs to replace any brake calipers on
Model SR22 airplanes that would be required based on the results of
this check of maintenance records. We have no way of determining the
number of Model SR22 airplanes that may need to replace brake calipers:
------------------------------------------------------------------------
Total cost per
Labor cost Parts cost airplane
------------------------------------------------------------------------
5 work-hours x $80 = $400............. $845 $1,245
------------------------------------------------------------------------
We estimate the following costs to do the modification of the MLG
wheel fairings to add the temperature indicator sticker inspection
holes, trim the wheel fairings to prevent them from holding fluids, and
install the temperature indicator sticker on the brake calipers:
----------------------------------------------------------------------------------------------------------------
Total cost per Total cost on
Labor cost Parts cost airplane U.S. operators
----------------------------------------------------------------------------------------------------------------
2 work-hours x $80 = $160.................................... $2 $162 $345,870
----------------------------------------------------------------------------------------------------------------
The CDC has indicated that CDC will provide warranty credit as
stated in the service information for modifying the MLG wheel fairings
by adding the temperature indicator sticker inspection holes, trimming
the wheel fairings to prevent them from holding fluids, and installing
the temperature indicator sticker on the brake calipers.
We estimate the following costs to do the insertion of Revision A6
into the POH:
----------------------------------------------------------------------------------------------------------------
Total cost per Total cost on
Labor cost Parts cost airplane U.S. operators
----------------------------------------------------------------------------------------------------------------
1 work-hour x $80............................ Not Applicable................. $80 $170,800
----------------------------------------------------------------------------------------------------------------
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
[[Page 60416]]
that is likely to exist or develop on products identified in this AD.
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
other information as included in the Regulatory Evaluation) and placed
it in the AD Docket. You may get a copy of this summary by sending a
request to us at the address listed under ADDRESSES. Include ``Docket
No. FAA-2006-24010; Directorate Identifier 2006-CE-14-AD'' in your
request.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
0
Accordingly, 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. FAA amends Sec. 39.13 by adding a new AD to read as follows:
2006-21-03 Cirrus Design Corporation: Amendment 39-14787; Docket No.
Docket No. FAA-2006-24010; Directorate Identifier 2006-CE-14-AD.
Effective Date
(a) This AD becomes effective on November 17, 2006.
Affected ADs
(b) None.
Applicability
(c) This AD applies to the following airplane models and serial
numbers (S/N) that are certificated in any category:
(1) Group 1: Model SR20 Airplanes, S/N 1005 through 1600.
(2) Group 2: Model SR22 Airplanes, S/N 0002 through 1739.
(3) Group 3: Model SR20 Airplanes, S/N 1005 through 1592.
(4) Group 4: Model SR22 Airplanes, S/N 0002 through 1727.
Unsafe Condition
(d) This AD results from several reports of airplanes that
experienced brake fires and two airplanes that lost directional
control. The actions specified in this AD are intended to detect,
correct, and prevent overheating damage to the brake caliper piston
O-ring seals, which could result in leakage of brake hydraulic
fluid. Consequently, this could lead to the loss of braking with
loss of airplane directional control or brake fire.
Compliance
(e) To address this problem, you must do the following:
Table 1.--Actions/Compliance/Procedures
------------------------------------------------------------------------
Actions Compliance Procedures
------------------------------------------------------------------------
(1) For Group 1 and Group 2 Within 50 hours No special
airplanes: time-in-service procedures
Check the maintenance records (TIS) after necessary to
to determine whether the brake November 17, 2006 check the
caliper piston O-ring seals (the effective maintenance
were replaced at the last date of this AD), records. The
annual or 100-hour inspection. unless already owner/operator
done. holding at least
a private pilot
certificate as
authorized by
section 43.7 of
the Federal
Aviation
Regulations (14
CFR 43.7) may
make this check.
You must make an
entry into the
airplane records
that shows
compliance with
this portion of
the AD in
accordance with
section 43.9 of
the Federal
Aviation
Regulations (14
CFR 43.9).
------------------------------------------------------------------------
(2) For Group 1 and Group 2 Before further For the
airplanes: If you find as a flight after the replacement,
result of the check required by check required by follow the brake
paragraph (e)(1) of this AD paragraph (e)(1) maintenance
that there is no record of the of this AD. procedures in
replacement of brake caliper Section 32-42 of
piston O-ring seals at the last the SR20 or SR22
annual or 100-hour inspection, Aircraft
then do the following: Maintenance
(i) Replace the O-ring seals Manual. For the
with new O-ring seals or replacement of
(ii) Replace old brake calipers the new brake
with new brake calipers. calipers, follow
Cirrus Design
Corporation
Service Bulletin
SB 2X-32-13 R1,
Issued: December
15, 2005, Revised
May 16, 2006.
------------------------------------------------------------------------
(3) For Group 3 and Group 4 Do the Follow Cirrus
airplanes: modification Design
(i) Modify the main landing within 50 hours Corporation
gear (MLG) wheel fairings to TIS after Service Bulletin
add temperature indicator November 17, 2006 SB 2X-32-14 R1,
sticker inspection holes and (the effective Issued: January
trim the wheel fairings to date of this AD), 18, 2006,
prevent them from holding unless already Revised: February
fluids; and done. Do the 17, 2006.
(ii) Install a temperature temperature
indicator sticker on the brake indicator sticker
calipers. installation
within 50 hours
TIS after
November 17, 2006
(the effective
date of this AD),
unless already
done, and
thereafter before
further flight
anytime you have
the O-ring seals
replaced due to
overheating of
the brake
assembly
(temperature
indicator sticker
turned black).
------------------------------------------------------------------------
[[Page 60417]]
(4) For all airplanes: Within 50 hours The owner/operator
Insert the appropriate Revision TIS after holding at least
A6 part number (P/N) into the November 17, 2006 a private pilot
Pilot's Operating Handbook (the effective certificate as
(POH), as presented in TABLE date of this AD), authorized by
2.--REVISION A6 TO THE PILOT'S unless already section 43.7 of
OPERATING HANDBOOK, in done. the Federal
paragraph (f) of this AD. Aviation
Regulations (14
CFR 43.7) may
insert the
information into
the POH as
specified in
paragraph (e)(4)
of this AD. Make
an entry into the
airplane
maintenance
records showing
compliance with
this portion of
the AD in
accordance with
section 43.9 of
the Federal
Aviation
Regulations (14
CFR 43.9).
------------------------------------------------------------------------
(5) For Group 3 and Group 4 As of November 17, Follow Cirrus
airplanes: 2006 (the Design
(i) Do not install any MLG effective date of Corporation
fairings without also doing the this AD). Service Bulletin
modifications required by SB 2X-32-14 R1,
paragraph (e)(3)(i) of this AD; Issued: January
and 18, 2006,
(ii) Do not replace any brake Revised: February
calipers without also 17, 2006.
installing the temperature
indicator sticker required by
paragraph (e)(3)(ii) of this
AD.
------------------------------------------------------------------------
(f) The following table specifies the POH Revision A6 part
number as required in paragraph (e)(4) of this AD:
Table 2.--Revision A6 to the Pilot's Operating Handbook
------------------------------------------------------------------------
Model SR20 or
Affected airplanes SR22 airplane Date FAA-approved
POH P/N
------------------------------------------------------------------------
(1) Model SR20, S/N 1148 11934-002 January 18, 2006.
through 1267.
(2) Model SR20, S/N 1005 11934-002 January 18, 2006.
through 1147 that have the
3,000-pound gross weight
modification following
Cirrus Design Corporation
Service Bulletin SB 20-01-
00, Issued: February 25,
2003.
(3) SR20, S/N 1268 through 11934-003 January 18, 2006.
1739.
(4) SR22, S/N 002 through 13772-001 January 18, 2006.
1739.
------------------------------------------------------------------------
Alternative Methods of Compliance (AMOCs)
(g) The Manager, Chicago Aircraft Certification Office (ACO),
ATTN: Wess Rouse, Aerospace Engineer, FAA, ACE-117C, Chicago ACO,
2300 East Devon Avenue, Room 107, Des Plaines, Illinois 60018;
telephone: (847) 294-8113; facsimile: (847) 294-7834, has the
authority to approve alternative methods of compliance for this AD,
if requested using the procedures found in 14 CFR 39.19.
Material Incorporated by Reference
(h) You must do the actions required by this AD following the
instructions in Cirrus Design Corporation Service Bulletin SB 2X-32-
13 R1, Issued: December 15, 2005, Revised May 16, 2006; and Cirrus
Design Corporation Service Bulletin SB 2X-32-14 R1, Issued: January
18, 2006, Revised: February 17, 2006. The Director of the Federal
Register approved the incorporation by reference of this service
bulletin in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To
get a copy of this service information, contact Cirrus Design
Corporation, 4515 Taylor Circle, Duluth, Minnesota 55811; telephone:
(218) 727-2737 or on the Internet at http://www.cirrusdesign.com. To review
copies of this service information, go to the National Archives and
Records Administration (NARA). For information on the availability
of this material at NARA, go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html
or call
(202) 741-6030. To view the AD docket, go to the Docket Management
Facility; U.S. Department of Transportation, 400 Seventh Street,
SW., Nassif Building, Room PL-401, Washington, DC 20590-001 or on
the Internet at http://dms.dot.gov. The docket number is Docket No.
FAA-2006-24010; Directorate Identifier 2006-CE-14-AD.
Issued in Kansas City, Missouri, on October 3, 2006.
Kim Smith,
Manager, Small Airplane Directorate, Aircraft Certification Service.
[FR Doc. E6-16741 Filed 10-12-06; 8:45 am]
BILLING CODE 4910-13-P