AD 84-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF6-45A | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-45A2 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50A | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C1 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2B | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2D | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50CA | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
Unsafe Condition
The possibility of uncontained titanium fires due to failure of compressor assemblies in CF6-45 and CF6-50 series engines.
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Required Actions
Replace compressor stator assembly, compressor inlet stator vanes, stage 1 and 2 stator vanes, compressor blades stages 3 through 9, and stage 3-9 spool in accordance with FAA-approved Service Bulletins 72-549, 72-550, and 72-551.
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Compliance Time
prior to June 1, 1984
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Affected Aircraft
General Electric Company CF6-45 and CF6-50 series engines including models CF6-45A, CF6-45A2, CF6-50A, CF6-50C, CF6-50C1, CF6-50C2, CF6-50C2B, CF6-50C2D, CF6-50CA, and others as listed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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