AD 2011-16-02

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Model 747 Airplanes and Model 767 Airplanes Equipped With General Electric Model CF6-80C2 or CF6-80A Series Engines

AD Number
2011-16-02
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2008-0402
FR Citation
76 FR 44458

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model 747 Airworthiness Directives; The Boeing Company Model 747 Airplanes and Model 767 Airplanes Equipped With General Electric Model CF6-80C2 or CF6-80A Series Engines
engine General Electric CF6-80C2 or CF6-80A Series Airworthiness Directives; The Boeing Company Model 747 Airplanes and Model 767 Airplanes Equipped With General Electric Model CF6-80C2 or CF6-80A Series Engines

Unsafe Condition

Engine flameouts, including multiple dual engine flameouts and total power loss events, in ice-crystal icing conditions, which could lead to engine damage preventing relighting and a forced landing.

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

Required Actions

Revise the airplane flight manual (AFM) to advise flightcrews to use certain procedures during descent in certain icing conditions.

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

Compliance Time

Before further flight

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Affected Aircraft

The Boeing Company Model 747 and Model 767 airplanes equipped with General Electric Model CF6-80C2 or CF6-80A Series 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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