AD 2011-16-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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Required Actions
Revise the airplane flight manual (AFM) to advise flightcrews to use certain procedures during descent in certain icing conditions.
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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.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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