AD Amdt-39-15754

final rule
Data completeness: 80%

Airworthiness Directives; Boeing Model 777-200LR Series Airplanes Powered by General Electric (GE) Model GE90-110B Engines, and Model 777-300ER Series Airplanes Powered by GE Model GE90-115B Engines

AD Number
Amdt-39-15754
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2008-1241
FR Citation
73 FR 73168

Applicability

TypeManufacturerModelDetails
aircraft Boeing 777-200LR Airworthiness Directives; Boeing Model 777-200LR Series Airplanes Powered by General Electric (GE) Model GE90-110B Engines, and Model 777-300ER Series Airplanes Powered by GE Model GE90-115B Engines

Unsafe Condition

Dual-engine thrust rollback during the takeoff phase of flight, which could result in the airplane failing to lift off before reaching the end of the runway or failing to clear obstacles below the takeoff flight path.

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Required Actions

Revise the Certificate Limitations Section of the Airplane Flight Manual (AFM) to prohibit the use of reduced thrust takeoff ratings and require full-rated thrust for takeoff. This must be done within 24 hours after October 16, 2006.

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Compliance Time

Within 24 hours after October 16, 2006.

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Affected Aircraft

Boeing Model 777-200LR series airplanes powered by GE Model GE90-110B engines and Model 777-300ER series airplanes powered by GE Model GE90-115B engines, equipped with full authority digital engine control (FADEC) software version A.0.4.5.

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Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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