# SDR CA050706002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2005
- Submitted: August 3, 2005
- Operation: General aviation
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Engine: Ge CF680C2B6F
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Seal
- Condition: Migrated
- Location: Gearbox
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050706002

## Discrepancy

LOW OIL QUANTITY INDICATIONS AND HIGHER THAN NORMAL TEMPERATURE AT CRUISE RESULTANT FROM FRAGMENTS OF A DISBONDED INLET GEARBOX GEARSHAFT TEFLON (PTFE) SEAL DISCOVERED WHICH HAD MIGRATED INTO THE TGB SCAVENGE LINE AND INLET SCREEN.  ENGINE MANUFACTURER HAS PRIOR KNOWLEDGE OF SEAL FAILURE.

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