Airworthiness directives › 2004-07-11
AD 2004-07-11 Airworthiness Directives; Boeing Model 767-400ER Series Airplanes
Models named: 767-400ER series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
All Model 767-400ER series airplanes, certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent fatigue cracking in the aft lower lug run-out region of the deflection control track, which could result in the loss of the secondary load path for the outboard flap, resulting in loss of the outboard flap and consequent reduced controllability of the airplane in the event that the primary load path also fails, accomplish the following: Initial Inspection (a) Before the accumulation of 12,000 total flight cycles, or within 1,200 flight cycles after the effective date of this AD, whichever occurs later, perform a high frequency eddy current (HFEC) inspection for cracks in the aft lower lug of the deflection control track on the outboard flap, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 767-27A0183, dated May 9, 2002. Repetitive Inspections (b) If no crack is detected during any HFEC inspection required in paragraph (a) of this AD, repeat the inspection at intervals not to exceed 1,200 flight cycles. Corrective Action (c) If any crack is detected during any HFEC inspection required by paragraph (a) of this AD, before further flight, replace the deflection control track with a new track assembly, in accordance with the Accomplishment Instructions in Boeing Alert Service Bulletin 767-27A0183, dated May 9, 2002. Within 12,000 flight cycles following the replacement, perform the HFEC inspection specified in paragraph (a) of this AD, and repeat inspections as specified in paragraph (b) of this AD. Alternative Methods of Compliance (d) In accordance with 14 CFR 39.19, the Manager, Seattle Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (e) The actions shall be done in accordance with Boeing Alert Service Bulletin 767-27A0183, dated May 9, 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 (f) This amendment becomes effective on May 11, 2004. Issued in Renton, Washington, on March 22, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-7351 Filed 4-5-04; 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