# SDR SWIA971517

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N297SW](https://openairdocs.org/aircraft/N297SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120327
- Engine: Pwa PW118B
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Loose
- Location: Lt Engine
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971517

## Discrepancy

LEFT ENGINE TRAILING SMOKE.  RETURNED TO SFO.  FOUND OIL IN BREATHER TUBE.  REPLACED OIL BREATHER CARBON SEAL.  LEFT ENGINE RUN UP OPS CHECKS GOOD IAW MM 72-20-00.

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