AD 2016-17-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Missing corner relief fillet in the engine pylon wiring bracket on the left wing could result in stress concentration and cracking, leading to damage to adjacent power feeders, electrical arcing in a flammable leakage zone, and an uncontrollable fire.
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Required Actions
Inspect the engine pylon wiring bracket on the left wing for the presence of an existing corner relief fillet. Re-identify any bracket with an existing corner relief fillet. Replace any bracket without an existing corner relief fillet.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 787-8 airplanes with certain engine pylon wiring brackets lacking a corner relief fillet.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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