AD 2006-15-15 Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes

Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes; certificated in any category; as identified in Boeing Alert Service Bulletin MD80-29A070, Revision 1, dated July 28, 2005.

Required as indicated, unless accomplished previously. To prevent shorted wires or arcing at the auxiliary hydraulic pump, which could result in loss of auxiliary hydraulic power, or a fire in the wheel well of the airplane; and to reduce the potential of an ignition source adjacent to the fuel tanks, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane; accomplish the following: One-Time Inspection (a) For airplanes in Configurations 1 through 4, as defined in Boeing Alert Service Bulletin MD80-29A070, Revision 1, dated July 28, 2005: Within 18 months after the effective date of this AD, do a one-time general visual inspection for chafing or signs of arcing of the wire bundle for the auxiliary hydraulic pump, and do all applicable corrective and other specified actions, in accordance with the Accomplishment Instructions of the service bulletin. Accomplish all applicable corrective actions before further flight after the inspection. Note 1: For the purposes of this AD, a general visual inspection is: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to ensure visual access to all surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” Installation of Additional Wiring Protection (b) For airplanes in Configuration 4, as defined in Boeing Alert Service Bulletin MD80-29A070, Revision 1, dated July 28, 2005: Within 18 months after the effective date of this AD, install additional protective sleeving on the upper portion of the auxiliary hydraulic pump wire assembly in accordance with the procedures under Configuration 4 in the Accomplishment Instructions of the service bulletin. Actions Accomplished Previously (c) Actions accomplished before the effective date of this AD in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin MD80-29A070, dated August 3, 2004, are acceptable for compliance with paragraph (a) of this AD, except that the additional requirements of paragraph (b) of this AD must be done on airplanes in Configuration 4, as defined in Boeing Alert Service Bulletin MD80-29A070, Revision 1, dated July 28, 2005. Alternative Methods of Compliance (d)(1) In accordance with 14 CFR 39.19, the Manager, Los Angeles Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance for this AD. (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. Incorporation by Reference (e) Unless otherwise specified in this AD, the actions must be done in accordance with Boeing Alert Service Bulletin MD80-29A070, Revision 1, dated July 28, 2005. 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. To get copies of this service information, contact Boeing Commercial Airplanes, Long Beach Division, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Data and Service Management, Dept. C1-L5A (D800-0024). To inspect copies of this service information, go to the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; to the FAA, Los Angeles Aircraft Certification Office, 3960 Paramount Boulevard, Lakewood, California; or to 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. Effective Date (f) This amendment becomes effective on September 5, 2006. Issued in Renton, Washington, on July 20, 2006. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E6-12094 Filed 7-28-06; 8:45 am] BILLING CODE 4910-13-P