# SDR TWAA9711001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N920L](https://openairdocs.org/aircraft/N920L), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47734
- Engine: Pwa JT8D9
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Relief Valve
- Part number: 811131
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9711001

## Discrepancy

STL - FLT 322 - DURING CLIMB, THE NR 2 ENGINE, S/N 3994 INDICATED HIGH OIL PRESSURE.  REMOVED AND REPLACED OIL PRESSURE RELIEF VALVE, MFG P/N 811131, MANUFACTURED BY PWA.  OPERATIONAL CHECK NORMAL.  (M)

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