AD 2016-10-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
| engine | General Electric | engines | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracking in barrel nuts on the forward engine mount could result in reduced load capacity and potential separation of an engine from the airplane, leading to loss of control.
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Required Actions
Replace the four barrel nuts of the forward engine mount on each engine for certain airplanes. Inspect for barrel nuts with a specific part number on other airplanes and take related investigative and corrective actions if necessary.
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Compliance Time
Within 2 years of the effective date
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Affected Aircraft
The Boeing Company Model 787-8 and 787-9 airplanes equipped with General Electric engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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