Airworthiness directives › 2004-03-05
AD 2004-03-05 Airworthiness Directives; Boeing Model 777-200 Series Airplanes
Models named: 777-200 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 777-200 series airplanes, variable numbers WA207 and WB325; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To detect and correct cracks or damage to the web of the aft pressure bulkhead, which could enlarge if undetected, leading to rapid decompression of the airplane and consequent possible loss of flight critical systems, accomplish the following: Initial and Repetitive Inspections (a) Prior to the accumulation of 30,000 total flight cycles, do a surface high frequency eddy current (HFEC) inspection to find cracks or damage to the web of the station 2150 aft pressure bulkhead from the forward side, per the Accomplishment Instructions of Boeing Alert Service Bulletin 777-53A0039, dated November 14, 2002. Repeat the surface HFEC inspection thereafter at intervals not to exceed 16,000 flight cycles. Corrective Action (b) If any crack or damage is found during any surface HFEC inspection required by paragraph (a) of this AD, and the service bulletin specifies to ask Boeing for repair data: Before further flight, repair per a method approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA; or per data meeting the type certification basis of the airplane approved by a Boeing Company Designated Engineering Representative who has been authorized by the Manager, Seattle ACO, to make such findings. For a repair method to be approved by the Manager, Seattle ACO, as required by this paragraph, the Manager's approval letter must specifically refer to this AD. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, Seattle ACO, FAA, is authorized to approve alternative methods of compliance (AMOCs) for this AD. Incorporation by Reference (d) Unless otherwise specified by this AD, the actions shall be done in accordance with Boeing Alert Service Bulletin 777-53A0039, dated November 14, 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, 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 February 24, 2004. Issued in Renton, Washington, on January 29, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-2464 Filed 2-6-04; 8:45 am] BILLING CODE 4910-13-P
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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