Airworthiness directives › 2004-01-17
AD 2004-01-17 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.
Applicability*9
Model MD-11 and -11F airplanes, as listed in Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent potential chafing of the power feeder cables of the integrated drive generator (IDG) in engine pylons No. 1 and No. 3 on the wings, and consequent arcing on the fuel lines in the engine pylons and possible fuel fire, accomplish the following: Note 1: Boeing has issued Information Notice MD11-54A011 R02 IN 02, dated July 11, 2002. The information notice informs operators of a typographical error for the string tie part number (P/N) specified in the Boeing Alert Service Bulletin MD11-54A011, Revision 02. The service bulletin specifies string tie P/N 190L0F21G/A; the correct P/N is 109 LOF 21G/A. Initial Inspection (a) Within 30 days after the effective date of this AD, do a general visual inspection of the power feeder cables of the IDG and the fuel feed lines of engine pylons No. 1 and No. 3 on the wings for proper clearance and damage, per Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002. Note 2: For the purposes of this AD, a general visual inspection is defined as: “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 enhance visual access to all exposed 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.” Condition 1: Proper Clearance and No Damage (b) If proper clearance exists and no damage is detected during any inspection required by paragraph (a) of this AD, do the action(s) specified in paragraphs (b)(1), (b)(2), and (b)(3) of this AD, as applicable, per Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002. (1) For Group 1 and Group 2 airplanes identified in the service bulletin: Repeat the inspection required by paragraph (a) of this AD every 6 months until the modification required by paragraph (b)(2) or (b)(3) of this AD, as applicable, has been done. (2) For Group 1 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, install the brackets to support the IDG harness, and install new clamps on the power feeder cables of the IDG of the No. 1 and No. 3 pylons. (3) For Group 2 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, replace the existing fairlead with a new clamp, and install new tape. Condition 2: Improper Clearance and No Damage (c) If improper clearance exists and no damage is detected during any inspection required by paragraph (a) of this AD, do the action(s) specified in paragraphs (c)(1), (c)(2), and (c)(3) of this AD, as applicable, per Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002. (1) For Group 1 and Group 2 airplanes identified in the service bulletin: Before further flight, reposition cables, and repeat the inspection required by paragraph (a) of this AD every 6 months until the modification required by paragraph (c)(2) or (c)(3) of this AD, as applicable, has been done. (2) For Group 1 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, install the brackets to support the IDG harness, and install new clamps on the power feeder cables of the IDG of engine pylons No. 1 and No. 3. (3) For Group 2 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, replace the existing fairlead with a new clamp, and install new tape. Condition 3: Improper Clearance and Damage Detected (d) If improper clearance exists and any damage is detected during any inspection required by paragraph (a) of this AD, do the action(s) specified in paragraphs (d)(1), (d)(2), and (d)(3) of this AD, as applicable, per Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002. (1) For Group 1 and Group 2 airplanes identified in the service bulletin: Before further flight, reposition cables; repair damage or replace damaged cables or fuel feed lines with new or serviceable cables or fuel feed lines; and repeat the inspection required by paragraph (a) of this AD every 6 months until the modification required by paragraph (d)(2) or (d)(3) of this AD, as applicable, has been done. (2) For Group 1 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, install the brackets to support the IDG harness, and install new clamps on the power feeder cables of the IDG of engine pylons No. 1 and No. 3. (3) For Group 2 airplanes identified in the service bulletin: Within 18 months after the effective date of this AD, replace the existing fairlead with a new clamp, and install new tape. Credit for Earlier Service Bulletin (e) Accomplishment of the actions specified in this AD before the effective date of this AD per Boeing Alert Service Bulletin MD11-54A011, Revision 01, dated August 22, 2001, is acceptable for compliance with the requirements of this AD. Alternative Methods of Compliance (f) In accordance with 14 CFR 39.19, the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (g) Unless otherwise specified in this AD, the actions shall be done in accordance with Boeing Alert Service Bulletin MD11-54A011, Revision 02, dated May 31, 2002. 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 90712; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Effective Date (h) This amendment becomes effective on February 24, 2004. Issued in Renton, Washington, on January 2, 2004. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-762 Filed 1-16-04; 8:45 am] BILLING CODE 4910-13-P
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