# SDR SWAA991241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N306SW](https://openairdocs.org/aircraft/N306SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 22946
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Part number: 3353109040
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA991241

## Discrepancy

AIR TURNBACK, IN FLIGHT SHUTDOWN.  NR 1 ENG OIL QTY DECREASED TO LESS THAN .5 GAL, LOW OIL PRESS LIGHT ILLUMINATED.  REMOVED AND REPLACED NR 1 ENG STARTER GEAR PAD SEAL PER MM.

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