AD 2016-10-09

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2016-10-09
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2015-6548
FR Citation
81 FR 31848

Applicability

TypeManufacturerModelDetails
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.

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

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.

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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