AD Amdt-39-9996

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 777-200 Series Airplanes

AD Number
Amdt-39-9996
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-60-AD
FR Citation
62 FR 19480

Applicability

TypeManufacturerModelDetails
aircraft Boeing 777-200 Airworthiness Directives; Boeing Model 777-200 Series Airplanes

Unsafe Condition

Fatigue cracking in bolts that attach the yoke of the forward mount to the fan case of the engine could lead to bolt failure and engine separation from the wing.

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

Required Actions

Conduct repetitive visual inspections of the forward mounts to detect damaged, missing, or failed parts. Perform modification of the engines to terminate repetitive inspection requirements.

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

Affected Aircraft

Boeing Model 777-200 series airplanes with certain engines requiring the specified inspections and modifications.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 777-200

Related Airworthiness Directives

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2011-09-15

final rule

Airworthiness Directives; The Boeing Company Model 777-200, -200LR, -300, and -300ER Series Airplanes

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Effective: Jun 6, 2011 Category: aircraft

2011-09-11 Recurring

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Airworthiness Directives; The Boeing Company Model 777-200 and -300 Series Airplanes Equipped With Pratt and Whitney Engines

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Effective: Jun 6, 2011 Category: engine

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