# SDR OZCA20150305015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2015
- Submitted: March 11, 2015
- Operation: Air carrier
- Aircraft: [N431BC](https://openairdocs.org/aircraft/N431BC), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B260
- Aircraft time: 39,387 hours, 32,921 cycles
- Engine: Ge CT79B
- Engine time: 34,076 hours, 28,757 cycles
- Propeller: Rotol R3894123F25
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Lt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/OZCA20150305015

## Discrepancy

LEFT PROPELLER OIL PRESS DECREASED BELOW 25 PSI DURING FLIGHT.  INSPECTED LT PROPELLER PRESS INDICATING SYS.  FOUND LT AC GEN LEAKING OIL THROUGH BEARING SEAL.  R & R LT AC GEN & SHAFT O RING IAW MM.  OPERATIONAL & LEAK CHECKED ALL SATISFACTORY.

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