[Federal Register: August 23, 2006 (Volume 71, Number 163)]
[Rules and Regulations]
[Page 49337-49339]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr23au06-7]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2006-25657; Directorate Identifier 2006-NM-187-AD;
Amendment 39-14735; AD 2006-17-14]
RIN 2120-AA64
Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional
Jet Series 100 & 440) Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for comments.
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SUMMARY: The FAA is superseding an existing airworthiness directive
(AD) that applies to certain Bombardier Model CL-600-2B19 (Regional Jet
Series 100 & 440) airplanes. The existing AD currently requires
inspecting contactors 1K4XD, 2K4XD, and K4XA to determine the type of
terminal base plate, and applying sealant on the terminal base plates,
if necessary. This new AD revises the effective date of the existing
AD. This AD results from incidents of short circuit failures of certain
alternating current (AC) contactors located in the avionics bay. We are
issuing this AD to prevent short circuit failures of certain AC
contactors, which could result in arcing and consequent smoke or fire.
DATES: This AD becomes effective September 7, 2006.
On August 9, 2006 (71 FR 45364, August 9, 2006), the Director of
the Federal Register approved the incorporation by reference of
Bombardier Service Bulletin 601R-24-122, Revision A, dated July 13,
2006.
We must receive any comments on this AD by October 23, 2006.
ADDRESSES: Use one of the following addresses to submit comments 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.
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.
Contact Bombardier, Inc., Canadair, Aerospace Group, P.O. Box 6087,
Station Centre-ville, Montreal, Quebec H3C 3G9, Canada, for service
information identified in this AD.
You may examine the contents of the AD docket on the Internet at
http://dms.dot.gov, or in person at the Docket Management Facility,
U.S. Department of Transportation, 400 Seventh Street, SW., Room PL-
401, on the plaza level of the Nassif Building, Washington, DC. This
docket number is FAA-2006-25657; the directorate identifier for this
docket is 2006-NM-187-AD.
FOR FURTHER INFORMATION CONTACT: Wing Chan, Aerospace Engineer, Systems
and Flight Test Branch, ANE-172, FAA, New York Aircraft Certification
Office, 1600 Stewart Avenue, suite 410, Westbury, New York 11590;
telephone (516) 228-7311; fax (516) 794-5531.
SUPPLEMENTARY INFORMATION:
Discussion
On July 31, 2006, the FAA issued AD 2006-16-07, amendment 39-14707
(71 FR 45364, August 9, 2006). That AD applies to certain Bombardier
Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. That AD
requires inspecting contactors 1K4XD, 2K4XD, and K4XA to determine the
type of terminal base plate, and applying sealant on the terminal base
plates, if necessary. That AD resulted from incidents of short circuit
failures of certain alternating current (AC) contactors located in the
avionics bay. The actions specified in that AD are intended to prevent
short circuit failures of certain AC contactors, which could result in
arcing and consequent smoke or fire.
Actions Since AD Was Issued
Since we issued that AD, we have determined that the effective date
of that AD was inadvertently specified as the same date as the
publication date. The effective date of the AD should be 15 days after
the date of publication in the Federal Register
FAA's Determination and Requirements of This AD
This airplane model is manufactured in Canada and is type
certificated for operation in the United States under the provisions of
section 21.29 of the Federal Aviation Regulations (14 CFR 21.29) and
the applicable bilateral airworthiness agreement. Pursuant to this
bilateral airworthiness agreement, Transport Canada Civil Aviation
(TCCA), which is the airworthiness
[[Page 49338]]
authority for Canada, has kept the FAA informed of the situation
described above. We have examined TCCA's findings, evaluated all
pertinent information, and determined that we need to issue an AD for
products of this type design that are certificated for operation in the
United States.
Therefore, we are issuing this AD to supersede AD 2006-16-07. This
new AD retains the requirements of the existing AD. This AD also
revises the effective date of the existing AD.
Interim Action
We consider this AD interim action. If final action is later
identified, we may consider further rulemaking then.
FAA's Determination of the Effective Date
An unsafe condition exists that requires the immediate adoption of
this AD; therefore, providing notice and opportunity for public comment
before the AD is issued is impracticable, and good cause exists to make
this AD effective in less than 30 days.
Comments Invited
This AD is a final rule that involves requirements that affect
flight safety and was not preceded by notice and an opportunity for
public comment; however, we invite you to submit any relevant written
data, views, or arguments regarding this AD. Send your comments to an
address listed in the ADDRESSES section. Include ``Docket No. FAA-2006-
25657; Directorate Identifier 2006-NM-187-AD'' at the beginning of your
comments. We specifically invite comments on the overall regulatory,
economic, environmental, and energy aspects of the AD 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 that 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 can review the DOT's complete Privacy Act Statement in the Federal
Register published on April 11, 2000 (65 FR 19477-78), or you can visit
http://dms.dot.gov.
Examining the Docket
You may examine the AD docket on the Internet at http://dms.dot.gov
, or in person at the Docket Management Facility office
between 9 a.m. and 5 p.m., Monday through Friday, except Federal
holidays. The Docket Management Facility office (telephone (800) 647-
5227) is located on the plaza level of the Nassif Building at the DOT
street address stated in the ADDRESSES section. Comments will be
available in the AD docket shortly after the Docket Management System
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 the regulation:
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 regulatory evaluation of the estimated costs to
comply with this AD and placed it in the AD docket. See the ADDRESSES
section for a location to examine the regulatory evaluation.
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 FAA 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 Federal Aviation Administration (FAA) amends Sec. 39.13 by
removing amendment 39-14707 (71 FR 45364, August 9, 2006) and adding
the following new AD:
2006-17-14 Bombardier, Inc. (Formerly Canadair): Docket No. FAA-
2006-25657; Directorate Identifier 2006-NM-187-AD; Amendment 39-
14735.
Effective Date
(a) This AD becomes effective September 7, 2006.
Affected ADs
(b) This AD supersedes AD 2006-16-07.
Applicability
(c) This AD applies to Bombardier Model CL-600-2B19 (Regional
Jet Series 100 & 440) airplanes, certificated in any category,
serial numbers 7003 through 7990 inclusive and 8000 and subsequent.
Unsafe Condition
(d) This AD results from incidents of short circuit failures of
certain alternating current (AC) contactors located in the avionics
bay. We are issuing this AD to prevent short circuit failures of
certain AC contactors, which could result in arcing and consequent
smoke or fire.
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.
Inspection and Corrective Action
(f) Within 800 flight hours or four months after the effective
date of this AD, whichever occurs first: Do a general visual
inspection of AC service bus contactors 1K4XD and 2K4XD, part number
(P/N) D-18ZZA, and the utility bus contactor K4XA, P/N D-7GRZ, to
determine which contactors have an Ultem 2200 terminal base plate
(i.e., the plate is made from a black molded thermal plastic
material), and apply RTV sealant to the terminal base plate, as
applicable, by doing all the actions specified in the Accomplishment
Instructions of Bombardier Service Bulletin 601R-24-122, Revision A,
dated July 13, 2006. Do all applicable applications of sealant
before further flight.
Note 1: For the purposes of this AD, a general visual inspection
is: ``A visual examination of an interior or exterior area,
[[Page 49339]]
installation, or assembly to detect obvious damage, failure, or
irregularity. This level of inspection is made from within touching
distance unless otherwise specified. A mirror may be necessary to
ensure visual access to all surfaces in the inspection area. This
level of inspection is made under normally available lighting
conditions such as daylight, hangar lighting, flashlight, or
droplight and may require removal or opening of access panels or
doors. Stands, ladders, or platforms may be required to gain
proximity to the area being checked.''
Previous Actions Accomplished According to Other Service Information
(g) Actions accomplished before the effective date of this AD in
accordance with Bombardier Drawing Number K601R50180, dated June 2,
2006; or Bombardier Service Bulletin 601R-24-122, dated June 27,
2006; are considered acceptable for compliance with the actions
specified in paragraph (f) of this AD.
Parts Installation
(h) As of the effective date of this AD, no person may install
AC contactor 1K4XD, 2K4XD, or K4XA, having an Ultem 2200 terminal
base plate, on any airplane, unless RTV sealant has been applied to
the terminal base plate in accordance with Bombardier Service
Bulletin 601R-24-122, Revision A, dated July 13, 2006.
Alternative Methods of Compliance (AMOCs)
(i)(1) The Manager, New York Aircraft Certification Office, FAA,
has the authority to approve AMOCs for this AD, if requested in
accordance with the procedures found in 14 CFR 39.19.
(2) Before using any AMOC approved in accordance with Sec.
39.19 on any airplane to which the AMOC applies, notify the
appropriate principal inspector in the FAA Flight Standards
Certificate Holding District Office.
(3) AMOCs approved previously in accordance with AD 2006-16-07,
are approved as AMOCs for the corresponding provisions of this AD.
Related Information
(j) Canadian airworthiness directive CF-2006-17, dated July 11,
2006, also addresses the subject of this AD.
Material Incorporated by Reference
(k) You must use Bombardier Service Bulletin 601R-24-122,
Revision A, dated July 13, 2006, to perform the actions that are
required by this AD, unless the AD specifies otherwise. On August 9,
2006 (71 FR 45364, August 9, 2006), the Director of the Federal
Register approved the incorporation by reference of this document.
Contact Bombardier, Inc., Canadair, Aerospace Group, P.O. Box 6087,
Station Centre-ville, Montreal, Quebec H3C 3G9, Canada, for a copy
of this service information. You may review copies at the Docket
Management Facility, U.S. Department of Transportation, 400 Seventh
Street, SW., Room PL-401, Nassif Building, Washington, DC; on the
Internet at http://dms.dot.gov; or at the National Archives and
Records Administration (NARA). For information on the availability
of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html
.
Issued in Renton, Washington, on August 14, 2006.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. E6-13831 Filed 8-22-06; 8:45 am]
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