AD 2009-04-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF6-45 and CF6-50 Series | Airworthiness Directives; General Electric Company CF6-45 and CF6-50 Series Turbofan Engines |
Unsafe Condition
Separation of the forward and aft centerbody of the long fixed core exhaust nozzle (LFCEN) assembly due to high imbalance engine conditions, leading to damage to the airplane.
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Required Actions
Replace the forward and aft centerbodies of the LFCEN assembly with centerbodies modified using the Accomplishment Instructions, Section 3, of GE Service Bulletin CF6-50 S/B 78-0244, Revision 1, dated March 13, 2008.
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Compliance Time
Within 42 months of the effective date of the AD.
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Affected Aircraft
General Electric Company CF6-45A, CF6-45A2, CF6-50A, CF6-50C, CF6-50CA, CF6-50C1, CF6-50C2, CF6-50E, CF6-50E2, CF6-50E3, CF6-50E4, CF6-50E5, CF6-50E6, CF6-50E7, CF6-50E8, CF6-50E9, CF6-50F, CF6-50F2, CF6-50F3, CF6-50F4, CF6-50F5, CF6-50F6, CF6-50F7, CF6-50F8, CF6-50F9 turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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