AD 79-13-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF6-50A | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C1 | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2 | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2B | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2D | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50CA | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E1 | GENERAL ELECTRIC Model CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E2 | GENERAL ELECTRIC Model CF6-50 Series Engines |
Unsafe Condition
Compressor rotor spool fatigue cracking could cause engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service stage 3-9 high pressure compressor rotor spools P/N 9081M49 with specified serial numbers: A0436, A0570, A0581, A0590, A0432, and A0443.
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Compliance Time
within the next 30 calendar days after the effective date of this AD
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Affected Aircraft
General Electric Model CF6-50 series engines with stage 3-9 high pressure compressor rotor spools P/N 9081M49 (serial numbers A0436, A0570, A0581, A0590, A0432, A0443) installed in certain McDonnell Douglas DC-10, Boeing 747, and Airbus A-300 series aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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