AD 2009-04-17

final rule
Data completeness: 80%

Airworthiness Directives; General Electric Company CF6-45 and CF6-50 Series Turbofan Engines

AD Number
2009-04-17
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2006-24145
FR Citation
74 FR 8735

Applicability

TypeManufacturerModelDetails
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.

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

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.

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

Compliance Time

Within 42 months of the effective date of the AD.

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

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

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