AD 2011-07-01
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
The forward and aft centerbody of the LFCEN assembly may separate from the engine, causing damage to the engine, and damage to the airplane.
Required Actions
Replace forward centerbody, P/N 1313M55G01 and G02, P/N 9076M28G05, G06, G08, G09, and G10, P/N 9076M82G01 and G03, and aft centerbody P/N 1313M56G01, P/N 9076M46G02, G04, and G05 with a forward and aft centerbody that has been modified using the Accomplishment Instructions, Section 3, of GE Service Bulletin (SB) No. CF6-50 S/B 78-0244, Revision 1, dated March 13, 2008, CF6-50 S/B 78-0244, dated July 30, 2007, or CF6-50 S/B 78-0242, dated September 26, 2005.
Compliance Time
Within 18 months after the effective date of this AD
Affected Aircraft
General Electric Company (GE) CF6-45A, CF6-45A2, CF6-50A, CF6-50C, CF6-50CA, CF6-50C1, CF6-50C2, CF6-50C2B, CF6-50C2D, CF6-50E, CF6-50E1, CF6-50E2, and CF6-50E2B turbofan engines, installed in Airbus A300 series, Boeing 747-200B, 747-200C, 747-200F, 747-300 and 747SR, McDonnell Douglas DC-10-15, DC-10-30, DC-10-30F (KC-10A, KDC-10), and MD-10-30F airplanes.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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