AD 2006-08-04 Airworthiness Directives; Boeing Model 767 Airplanes

Models named: 767-200, -300, -300F series, 767-400ER series. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Boeing Model 767-200, -300, and -300F series airplanes, as identified in Boeing Service Bulletin 767-28A0071, Revision 2, dated December 8, 2005; and Model 767-400ER series airplanes, as identified in Boeing Service Bulletin 767-28A0072, Revision 2, dated December 8, 2005; certificated in any category.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Service Bulletin Definition (f) The term “service bulletin,” as used in this AD, means the Work Instructions of the following service bulletins, as applicable: (1) For Model 767-200, -300, and -300F series airplanes: Boeing Service Bulletin 767-28A0071, Revision 2, dated December 8, 2005; and (2) For Model 767-400ER series airplanes: Boeing Service Bulletin 767-28A0072, Revision 2, dated December 8, 2005. Investigative and Corrective Actions (g) Within 60 months after the effective date of this AD: Do a test of the bonding resistance between the engine fuel feed tube fitting and the front spar, apply sealant on a hex nut inside the dry bay, and do all applicable corrective actions, by accomplishing all of the actions in the applicable service bulletin. Do all applicable corrective actions before further flight. Previous Actions (h) Actions done before the effective date of this AD in accordance with Boeing Alert Service Bulletin 767-28A0071, Revision 1, dated January 22, 2004; or Boeing Alert Service Bulletin 767-28A0072, Revision 1, dated January 22, 2004, are acceptable for compliance with the requirements of paragraph (g) of this AD. Alternative Methods of Compliance (AMOCs) (i)(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) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Material Incorporated by Reference (j) You must use Boeing Service Bulletin 767-28A0071, Revision 2, dated December 8, 2005; or Boeing Service Bulletin 767-28A0072, Revision 2, dated December 8, 2005; as applicable; 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 these documents 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 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 April 4, 2006. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-3478 Filed 4-12-06; 8:45 am] BILLING CODE 4910-13-P

This AD was prompted by a report that the engine fuel feed tubes were found not electrically bonded to the front spar. We are issuing this AD to prevent an ignition source from entering the fuel tank during a lightning strike event, which could cause a fuel tank explosion.