AD 2016-17-11

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2016-17-11
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2016-8846
FR Citation
81 FR 58821

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

The Boeing Company Model 787-8 airplanes with certain engine pylon wiring brackets lacking a corner relief fillet.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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