AD 2016-04-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Certain web fastener holes in the overwing flex-tees at the wing-to-body interface might not have been deburred properly when manufactured, leading to fatigue cracking and weakening of the primary wing structure.
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Required Actions
Revise the maintenance or inspection program to include an airworthiness limitation for repetitive inspections of the web fastener holes in the overwing flex-tees. Revise operator maintenance documents to include new inspection actions.
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Compliance Time
Within 12 months of effective date
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Affected Aircraft
The Boeing Company Model 787-8 airplanes, certificated in any category, having line numbers 78 and 82.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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