Airworthiness directives › 2018-11-13
AD 2018-11-13 Airworthiness Directives; The Boeing Company Airplanes
Models named: 787-8. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 787-8 airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017, and line numbers 10, 13, 15, 16, 17, 18, and 19.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For airplanes identified in Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017, except as specified in paragraph (k)(1) of this AD, at the applicable time specified in paragraph 5., “Compliance,” of Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017: Do an ultrasonic inspection for any disbond on the left side and right side upper wing stringers; and do all applicable corrective actions; in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017, except as specified in paragraph (k)(2) of this AD. Do all applicable corrective actions before further flight. Repeat the inspection of the upper wing stringers thereafter at the applicable intervals specified in paragraph 5., “Compliance,” of Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017, until the actions required by paragraph (j) of this AD are done.
Unsafe condition
This AD was prompted by a report of possible degraded bond-line performance of co-bonded upper wing stringer-to-skin joints. We are issuing this AD to prevent upper wing stringer-to-skin joint disbonding, which can reduce the 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