Federal Register, Volume 75, Number 98, May 21, 2010, Pages 28463-28750 Page: 28,463
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Rules and Regulations
Federal Register
Vol. 75, No. 98
Friday, May 21, 2010This section of the FEDERAL REGISTER
contains regulatory documents having general
applicability and legal effect, most of which
are keyed to and codified in the Code of
Federal Regulations, which is published under
50 titles pursuant to 44 U.S.C. 1510.
The Code of Federal Regulations is sold by
the Superintendent of Documents. Prices of
new books are listed in the first FEDERAL
REGISTER issue of each week.
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2008-0909; Directorate
Identifier 2007-NM-363-AD; Amendment
39-16301; AD 2010-10-22]
RIN 2120-AA64
Airworthiness Directives; BAE
SYSTEMS (Operations) Limited Model
BAe 146 Airplanes and Model Avro
146-RJ Airplanes
AGENCY: Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
SUMMARY: The FAA is superseding an
existing airworthiness directive (AD),
which applies to Model BAe 146
airplanes and Model Avro 146-RJ
airplanes. That AD currently requires
revising the Airworthiness Limitations
Section (ALS) of the Instructions for
Continued Airworthiness to incorporate
life limits for certain items and
inspections to detect fatigue cracking in
certain structures. This new AD requires
incorporating new and more restrictive
life limits for certain items and for
certain inspections to detect fatigue
cracking in certain structures. This AD
also requires revising the airworthiness
limitations to include critical design
configuration control limitations for the
fuel system. This AD results from
issuance of a later revision to the
airworthiness limitations. We are
issuing this AD to ensure that fatiguecracking of certain structural elements is
detected and corrected, and to prevent
ignition sources in the fuel tanks;
fatigue cracking of certain structural
elements could adversely affect the
structural integrity of these airplanes.
DATES: This AD becomes effective June
25, 2010.
The Director of the Federal Register
approved the incorporation by reference
of a certain publication listed in the AD
as of June 25, 2010.
ADDRESSES: For BAE SYSTEMS
(Operations) Limited service
information identified in this AD,
contact BAE Systems Regional Aircraft,
13850 McLearen Road, Herndon,
Virginia 20171; telephone 703-736-
1080; e-mail
raebusiness@baesystems.com; Internet
http://www.baesystems.com/Businesses/
RegionalAircraft/index.htm.
For Messier-Dowty service
information identified in this AD,
contact Messier-Dowty Limited,
Cheltenham Road, Gloucester GL2 9QH,
England; telephone +44(0)1452 712424;
fax +44(0)1452 713821; Internet
https://techpubs.services.messier-
dowty.com.
Examining the AD Docket
You may examine the AD docket on
the Internet at http://
www.regulations.gov; or in person at the
Docket Management Facility between 9
a.m. and 5 p.m., Monday through
Friday, except Federal holidays. The AD
docket contains this AD, the regulatory
evaluation, any comments received, and
other information. The address for the
Docket Office (telephone 800-647-5527)
is the Document Management Facility,
U.S. Department of Transportation,
Docket Operations, M-30, West
Building Ground Floor, Room W12-140,
1200 New Jersey Avenue, SE.,
Washington, DC 20590.
FOR FURTHER INFORMATION CONTACT:
Todd Thompson, Aerospace Engineer,
International Branch, ANM-116, FAA,
Transport Airplane Directorate, 1601
Lind Avenue, SW., Renton, Washington98057-4056; telephone (425) 227-1175;
fax (425) 227-1149.
SUPPLEMENTARY INFORMATION:
Discussion
The FAA issued a supplemental
notice of proposed rulemaking (NPRM)
to amend 14 CFR part 39 to include an
AD that supersedes AD 2005-23-12,
Amendment 39-14370 (70 FR 70483,
November 22, 2005). The existing AD
applies to all BAE SYSTEMS
(Operations) Limited Model BAe 146
airplanes and Model Avro 146-RJ
airplanes. That supplemental NPRM
was published in the Federal Register
on March 9, 2010 (75 FR 10701). That
supplemental NPRM proposed to
continue to require revising the
Airworthiness Limitations Section
(ALS) of the Instructions for Continued
Airworthiness to incorporate life limits
for certain items and inspections to
detect fatigue cracking in certain
structures. That supplemental NPRM
proposed to require incorporating new
and more restrictive life limits for
certain items and for certain inspections
to detect fatigue cracking in certain
structures. That supplemental NPRM
also proposed to require revising the
airworthiness limitations to include
critical design configuration control
limitations for the fuel system.
Comments
We provided the public the
opportunity to participate in the
development of this AD. No comments
have been received on the supplemental
NPRM or on the determination of the
cost to the public.
Conclusion
We have carefully reviewed the
available data and determined that air
safety and the public interest require
adopting the AD as proposed in the
supplemental NPRM.
Costs of Compliance
The following table provides the
estimated costs for U.S. operators to
comply with this AD.28463
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United States. Office of the Federal Register. Federal Register, Volume 75, Number 98, May 21, 2010, Pages 28463-28750, periodical, May 21, 2010; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc52679/m1/9/?rotate=270: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.