AD 93-14-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF6-45A | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-45A2 | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50A | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50C | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50C1 | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50C2 | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50C2B | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50C2D | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50CA | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
| engine | General Electric Company | CF6-50E | GENERAL ELECTRIC COMPANY Models (GE) CF6-6/-45/-50/-80A/-80C2 Series Engines |
Unsafe Condition
Failure of the high pressure turbine (HPT) thermal shields could result in an uncontained engine failure.
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Required Actions
Perform an impression and optical comparator inspection or ultrasonic inspection of the HPT thermal shield at the next HPT shop visit or by December 12, 1995, whichever occurs first. Replace HPT thermal shields that do not meet service criteria with a serviceable part prior to further flight.
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Compliance Time
by December 12, 1995, or at the next HPT shop visit, whichever occurs first
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Affected Aircraft
General Electric Company CF6-6/-45/-50/-80A/-80C2 series turbofan engines installed on Airbus A300/A310, Boeing 747/767, and McDonnell Douglas DC-10/MD-11 aircraft, as listed in referenced service bulletins.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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