Airworthiness directives › 2004-07-19
AD 2004-07-19 Airworthiness Directives; Boeing Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP Series Airplanes Equipped With Pratt & Whitney JT9D-3, -7, -7Q, and -7R4G2 Series Engines
Models named: 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, 747SP series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP series airplanes; equipped with Pratt & Whitney JT9D-3, -7, -7Q, and -7R4G2 series engines; line numbers 1 through 814 inclusive, certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent improper connection of the cowl latch located in the left-hand side of the cowl panel assembly of each engine, which could result in separation of a cowl panel from the airplane; accomplish the following: Drill Holes (a) Within 36 months after the effective date of this AD: Drill witness holes through the cowl skin at each of the six cowl latch locations located on the left-hand side of the cowl panel assembly of each engine, per paragraphs 3.B.1. through 3.B.4. of the Accomplishment Instructions of Boeing Special Attention Service Bulletin 747-71-2301, Revision 1, dated August 21, 2003. Credit for Actions Accomplished per Previous Service Bulletin (b) Actions accomplished before the effective date of this AD per the Accomplishment Instructions of Boeing Service Bulletin 747-71-2301, dated May 30, 2002, are acceptable for compliance with the requirements of paragraph (a) of this AD. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, Seattle Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance (AMOCs) for this AD. Incorporation by Reference (d) Unless otherwise specified in this AD, the actions shall be done in accordance with Boeing Special Attention Service Bulletin 747-71-2301, Revision 1, dated August 21, 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, P.O. Box 3707, Seattle, Washington 98124-2207. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Effective Date (e) This amendment becomes effective on May 11, 2004. Issued in Renton, Washington, on March 25, 2004. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-7299 Filed 4-5-04; 8:45 am] BILLING CODE 4910-13-P
Read the original on the Federal Register →
You just looked this one up by hand
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1