[Federal Register: August 1, 2003 (Volume 68, Number 148)]
[Proposed Rules]
[Page 45177]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr01au03-20]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. 2002-CE-05-AD]
RIN 2120-AA64
Airworthiness Directives; Cessna Aircraft Company Models 401,
401A, 401B, 402, 402A, 402B, 411, and 411A Airplanes
AGENCY: Federal Aviation Administration, DOT.
ACTION: Notice of proposed rulemaking (NPRM); extension of the comment
period.
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SUMMARY: This document provides additional time for the public to
comment on a proposal to supersede Airworthiness Directive (AD) 79-10-
15 R2, which applies to all Cessna Aircraft Company (Cessna) Models
401, 401A, 401B, 402, 402A, 402B, 411, and 411A airplanes. AD 79-10-15
R2 currently requires repetitive inspections of the right and left wing
spar lower cap areas for fatigue cracks and requires wing spar cap
repair or replacement as necessary. Cessna has performed fatigue and
crack growth analyses of the wings of these airplanes, and the Federal
Aviation Administration (FAA) has evaluated this information and
determined that a wing spar modification is necessary as well as
periodic inspections. This proposed AD would require you to
repetitively inspect the wing spar caps for fatigue cracks with any
necessary repair or replacement on all airplanes and incorporate a spar
strap modification on each wing spar on certain airplanes. Comments
received on the original NPRM (68 FR 26239, May 15, 2003) specify
additional time to respond to the proposed action. The actions
specified by this proposed AD are intended to prevent wing spar cap
failure due to undetected fatigue cracks. Such failure could result in
loss of a wing with consequent loss of airplane control.
DATES: The Federal Aviation Administration (FAA) must receive any
comments on this proposed rule on or before September 8, 2003. This is
extended from August 8, 2003.
ADDRESSES: Submit comments to FAA, Central Region, Office of the
Regional Counsel, Attention: Rules Docket No. 2002-CE-05-AD, 901
Locust, Room 506, Kansas City, Missouri 64106. You may view any
comments at this location between 8 a.m. and 4 p.m., Monday through
Friday, except Federal holidays. You may also send comments
electronically to the following address: 9-ACE-7-Docket@faa.gov.
Comments sent electronically must contain ``Docket No. 2002-CE-05-AD''
in the subject line. If you send comments electronically as attached
electronic files, the files must be formatted in Microsoft Word 97 for
Windows or ASCII text.
You may get service information that applies to this proposed AD
from the Cessna Aircraft Company, Product Support, P.O. Box 7706,
Wichita, Kansas 67277; telephone: (316) 517-5800; facsimile: (316) 942-
9006. You may also view this information at the Rules Docket at the
address above.
FOR FURTHER INFORMATION CONTACT: Paul Nguyen, Aerospace Engineer, FAA,
Wichita Aircraft Certification Office, 1801 Airport Road, Mid-Continent
Airport, Wichita, Kansas 67209; telephone: (316) 946-4125; facsimile:
(316) 946-4107.
Issued in Kansas City, Missouri, on July 28, 2003.
James E. Jackson,
Acting Manager, Small Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 03-19584 Filed 7-31-03; 8:45 am]
BILLING CODE 4910-13-P