AD 2007-19-07 Airworthiness Directives; Boeing Model 757-200, -200PF, and -200CB Series Airplanes

Models named: 757-200, -200PF, -200CB series. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Boeing Model 757-200, -200PF, and -200CB series airplanes, certificated in any category; as identified in Boeing Service Bulletin 757-53A0092, Revision 1, dated January 10, 2007.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspections (f) Perform detailed inspections to detect scribe lines and cracks of the fuselage skin, lap joints, circumferential butt splice strap, and external and internal approved repairs; and perform related investigative and corrective actions. Do the actions in accordance with the Accomplishment Instructions of Boeing Service Bulletin 757-53A0092, Revision 1, dated January 10, 2007, except as required by paragraph (g) of this AD. Do the actions within the applicable compliance times specified in paragraph 1.E. of the service bulletin, except as required by paragraph (h) of this AD. Exceptions to Service Bulletin Specifications (g) Where Boeing Service Bulletin 757-53A0092, Revision 1, dated January 10, 2007, specifies to contact Boeing for appropriate repair instructions, repair using a method approved in accordance with the procedures specified in paragraph (j) of this AD. (h) Boeing Service Bulletin 757-53A0092, Revision 1, dated January 10, 2007, specifies compliance times relative to the date of issuance of the service bulletin; however, this AD requires compliance before the specified compliance time relative to the effective date of the AD. Credit for Prior Accomplishment (i) Inspections done before the effective date of this AD in accordance with Boeing Alert Service Bulletin 757-53A0092, dated September 18, 2006, are acceptable for compliance with the corresponding requirements of paragraph (f) of this AD. Alternative Methods of Compliance (AMOCs) (j)(1) The Manager, Seattle Aircraft Certification Office (ACO), FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. (2) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. 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. (3) An AMOC that provides an acceptable level of safety may be used for any repair required by this AD, if it is approved by an Authorized Representative for the Boeing Commercial Airplanes Delegation Option Authorization Organization who has been authorized by the Manager, Seattle ACO, to make those findings. For a repair method to be approved, the repair must meet the certification basis of the airplane. Material Incorporated by Reference (k) You must use Boeing Service Bulletin 757-53A0092, Revision 1, dated January 10, 2007, to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference of this document in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-2207, for a copy of this service information. You may review copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; 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/cfr/ibr-locations.html. Issued in Renton, Washington, on October 15, 2007. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E7-20816 Filed 10-23-07; 8:45 am] BILLING CODE 4910-13-P

This AD results from reports of scribe lines adjacent to the fuselage skin lap joints. We are issuing this AD to detect and correct cracks, which could grow and cause rapid decompression of the airplane.