92-19-06 MCDONNELL DOUGLAS: Amendment 39-8364. Docket No. 92-NM-43-AD. \n\n\tApplicability: Model DC-9-81, -82, -83, and -87 (MD-81, -82, -83, and -87) series airplanes, and Model MD-88 airplanes; certificated in any category. \n\n\tCompliance: Required as indicated, unless accomplished previously. \n\n\tTo prevent chafing damage to the wire assemblies that could lead to arcing and smoke in the passenger cabin, accomplish the following: \n\n\t(a)\tPrior to or upon the accumulation of 9,000 total flight hours or within 6 months after the effective date of this AD, whichever occurs later: Inspect the galley power feeder wire assemblies, in accordance with McDonnell Douglas Alert Service Bulletin A24-132, Revision 1, dated March 2, 1992. \n\n\t(b)\tIf no damage is detected as a result of the inspection required by paragraph (a) of this AD, within 6,000 flight hours of the initial inspection or within 15,000 total flight hours, whichever occurs later, modify the galley power feeder wire assemblies, in accordance with McDonnell Douglas Alert Service Bulletin A24-132, Revision 1, dated March 2, 1992. \n\n\t(c)\tIf damage is detected as a result of the inspection required by paragraph (a) of this AD, accomplish subparagraph (c)(1) and (c)(2) of this AD: \n\n\t\t(1)\tPrior to further flight, repair the damaged wire insulator (install protective sleeving), in accordance with McDonnell Douglas Alert Service Bulletin A24-132, Revision 1, dated March 2, 1992; \n\n\t\t(2)\tWithin 6,000 flight hours after accomplishing the inspection required by paragraph (a) of this AD, modify the galley power feeder wire assemblies, in accordance with McDonnell Douglas Alert Service Bulletin A24-132, Revision 1, dated March 2, 1992. \n\n\t(d)\tAn alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submittheir requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO. \n\n\tNOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO. \n\n\t(e)\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. \n\n\t(f)\tThe inspection and modification shall be done in accordance with McDonnell Douglas Alert Service Bulletin A24-132, Revision 1, dated March 2, 1992. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from McDonnell Douglas Corporation, P.O. Box 1771, Long Beach, California 90846-0001, Attention: Business Unit Manager, Technical Publications, C1-HDR (54-60). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at FAA, Transport Airplane Directorate, Los Angeles ACO, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. \n\n\t(g)\tThis amendment becomes effective on November 17, 1992.