2008-05-09: Crew seats

2008-05-09 Cessna Aircraft Company: Amendment 39-15403; Docket No. FAA-2007-28433; Directorate Identifier 2007-CE-052-AD. Effective Date (a) This AD becomes effective on April 8, 2008. Affected ADs (b) None. Applicability (c) This AD applies to the following airplane models and serial numbers that are certificated in any category: Models Serial Numbers (1) 172R 17281211 through 17281356 (2) 172S 172S9621 through 172S10310, 172S10312 through 172S10324, 172S10327 through 172S10332, 172S10334 through 172S10349, 172S10351 through 172S10374, 172S10376 through 172S10386, 172S10388 through 172S10408, 172S10410 through 172S10412, 172S10414 through 172S10417, and 172S10421 through 172S10423 (3) 182T 18281328 through 18281867, 18281869 through 18281871, 18281873 through 18281875, and 18281877 (4) T182T T18208240 through T18208651, T18208654, T18208656 through T18208659, T18208663, T18208664, and T18208667 through T18208668 (5) 206H 20608216 through 20608283 (6) T206H T20608445 through T20608662, T20608664 through T20608671, T20608673, T20608674, T20608676 through T20608681, T20608683 through T20608689, T20608691, T20608692, T20608694 through T20608696, T20608699 through T20608701, T20608703, and T20608704 Unsafe Condition (d) This AD results from reports of the seat base/back attach bracket failing where it is welded to the seat base. We are issuing this AD to prevent failure of the seat base/back attach brackets, which could result in the seats collapsing backwards during flight with consequent loss of control. Compliance (e) To address this problem, you must do the following, unless already done: Actions Compliance Procedures Remove, modify, and reinstall the crew seats. Within the next 50 hours time-in-service after April 8, 2008 (the effective date of this AD) or within the next 6 months after April 8, 2008 (the effective date of this AD), whichever occurs first. Follow Cessna Aircraft Company Single Engine Modification Kit No. MK206-25-10, dated April 23, 2007, as specified in Cessna Aircraft Company Service Bulletin SB07-25-04, dated April 23, 2007. Alternative Methods of Compliance (AMOCs) (f) The Manager, Wichita Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Gary Park, Aerospace Engineer, 1801 Airport Road, Room 100, Wichita, Kansas 67209; telephone: (316) 946-4123; fax: (316) 946-4107. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. Related Information (g) To get copies of the service information referenced in this AD, contact Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277; telephone: (316) 517-5800; fax: (316) 942- 9006. To view the AD docket,go to U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, or on the Internet at http://dms.dot.gov. The docket number is Docket No. FAA-2007-28433; Directorate Identifier 2007-CE-052-AD. Material Incorporated by Reference (h) You must use Cessna Aircraft Company Single Engine Modification Kit No. MK206-25-10, dated April 23, 2007, as specified in Cessna Aircraft Company Service Bulletin SB07-25-04, dated April 23, 2007, to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277; telephone: (316) 517-5800; fax: (316) 942-9006. (3) You may review copies at the FAA, CentralRegion, Office of the Regional Counsel, 901 Locust, Kansas City, Missouri 64106; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202- 741-6030, or go to: http://www.archives.gov/federal_register/code_ of_federal_regulations/ibr_locations.html.