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Airworthiness directives › 2017-11-04

AD 2017-11-04 Airworthiness Directives; The Boeing Company Airplanes

2017-07-13
2017-06-08
39-18903
FAA-2016-9115
Airframe
—

Models named: 767-200, -300, -400ER series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

(1) This AD applies to The Boeing Company Model 767-200, -300, and -400ER series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 767-53A0264, Revision 1, dated April 25, 2016 (“ASB 767-53A0264 R1”). (2) Installation of Supplemental Type Certificate (STC) ST01920SE ( http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/59027F43B9A7486E86257B1D006591EE?OpenDocument&Highlight=st01920se ) does not affect the ability to accomplish the actions required by this AD. Therefore, for airplanes on which STC ST01920SE is installed, a “change in product” alternative method of compliance (AMOC) approval request is not necessary to comply with the requirements of 14 CFR 39.17.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Except as specified by paragraph (i) of this AD, at the applicable times specified in paragraph 1.E., “Compliance,” of ASB 767-53A0264 R1: Do external surface high frequency eddy current (HFEC), internal surface HFEC, and external surface low frequency eddy current inspections, as applicable, to detect cracks in the fuselage skin lap splices, in accordance with the Accomplishment Instructions of ASB 767-53A0264 R1. If any crack is found during any inspection required by this AD, before further flight, repair in accordance with Part 8 of the Accomplishment Instructions of ASB 767-53A0264 R1. Repeat the inspections thereafter at the times specified in paragraph 1.E., “Compliance,” of ASB 767-53A0264 R1, as applicable.

Unsafe condition

This AD was prompted by an evaluation by the design approval holder indicating that the fuselage skin lap splices are subject to widespread fatigue damage. We are issuing this AD to detect and correct cracks at the fuselage skin lap splice, which can rapidly link up, possibly resulting in rapid decompression and loss of structural integrity of the airplane.

Affected ADs

None.

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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