AD 82-25-08
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
Potential separation of the spacer/impeller which could result in uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform fluorescent penetrant inspection of the HPT Spacer/Impeller with specified part numbers per GE Service Bulletin 72-748. Remove cracked parts from service before further flight. Ferry operations allowed under 14 CFR 21.197.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to 5,000 cycles in service, or within 3,000 cycles since last inspection, or within the next 100 cycles after December 30, 1982, whichever occurs later. Subsequent inspections must not exceed 3,000 cycles since last inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric CF6-45 and CF6-50 series engines with HPT Spacer/Impeller part numbers 9045M59P07/P08/P10/P12; 9173M55P01/P02/P03; 9198M92P01-10; 9190M82P02/P03; 9234M25P01-03/P04.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.