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Airworthiness directives › 2016-04-08

AD 2016-04-08 Airworthiness Directives; The Boeing Company Airplanes

2016-03-09
2016-02-23
39-18402
FAA-2016-3699
Airframe
—

Models named: 787-8. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

The Boeing Company Model 787-8 airplanes, certificated in any category, having line numbers 78 and 82.

Compliance

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

Required actions

Within 30 days after the effective date of this AD, revise the maintenance or inspection program, as applicable, to incorporate the applicable inspection requirement identified in paragraphs (g)(1) and (g)(2) of this AD, as specified in Boeing 787 Airworthiness Limitations—Line Number Specific, D011Z009-03-02, dated February 2015. The initial compliance time for the tasks is at the applicable time specified in Boeing 787 Airworthiness Limitations—Line Number Specific, D011Z009-03-02, dated February 2015. (1) For the airplane having line number 78: Principal Structural Element 57-10-06a_MRB9, “Overwing Flex-Tee—Web Fastener Holes.” (2) For the airplane having line number 82: Principal Structural Element 57-10-06a_MRB10, “Overwing Flex-Tee—Web Fastener Holes.”

Unsafe condition

This AD was prompted by a report that certain web fastener holes in the overwing flex-tees at the wing-to-body interface might not have been deburred properly when manufactured. We are issuing this AD to detect and correct cracking in the web fastener holes in the overwing flex-tees, which can weaken the primary wing structure so it cannot sustain limit load.

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