AD 2004-12-09 Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes

Models named: MD-11, -11F. Read the applicability below — it usually turns on serial or part numbers too.

Model MD-11 and -11F airplanes, as listed in Boeing Service Bulletin MD11-24-128, Revision 05, dated June 3, 2003; certificated in any category.

Required as indicated, unless accomplished previously. To prevent loss of the battery charging capability of the air driven generator (ADG), that when coupled with a loss of all normal electrical power, could prevent continued safe flight and landing of the airplane, accomplish the following: Replace, Tighten, Inspect, and Identify; as Applicable (a) Within 1 year after the effective date of this AD, do the actions specified in paragraph (a)(1), (a)(2), or (a)(3) of Table 1 of this AD, as applicable, per the Accomplishment Instructions of Boeing Service Bulletin MD11-24-128, Revision 05, dated June 3, 2003. Table 1.—Replace, Tighten, Inspect, and Identify; As Applicable For airplanes identified in the Service Bulletin as— Action(s)— (1) Group 1 (i) Replace the ADG wiring assembly located on the transformer panel at station Y=568.333 in the right air conditioning compartment with a new wire assembly.   (ii) Replace the associated clamps and screws of the ADG wire assembly with new clamps and screws.   (iii) Torque the terminal hardware to the limits specified in the service bulletin. (2) Group 2 Do a general visual inspection of the ADG wire installation for damage/riding and correct clamping/routing. (3) Group 3 Do a general visual inspection of the ADG wiring assembly for correct wire identification and/or damage. Corrective Actions (b) If any discrepancy is found during the general visual inspection required by either paragraph (a)(2) or (a)(3) of this AD, before further flight, accomplish applicable corrective actions per the Accomplishment Instructions of Boeing Service Bulletin MD11-24-128, Revision 05, dated June 3, 2003. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, Los Angeles Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance (AMOCs) for this AD. Incorporation by Reference (d) The actions shall be done in accordance with Boeing Service Bulletin MD11-24-128, Revision 05, dated June 3, 2003. 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 Boeing Commercial Airplanes, Long Beach Division, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Data and Service Management, Dept. C1-L5A (D800-0024). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Los Angeles Aircraft Certification Office, 3960 Paramount Boulevard, Lakewood, California; 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. Effective Date (e) This amendment becomes effective on July 22, 2004. Issued in Renton, Washington, on June 3, 2004. Franklin Tiangsing, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-13222 Filed 6-16-04; 8:45 am] BILLING CODE 4910-13-P