# SDR AUS20020460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2002
- Submitted: June 13, 2002
- Operation: Air carrier
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Engine: Lyc LTIO540J2BD
- Propeller: Hartzl HCE3YR2
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Valve
- Part number: SL53E19600
- Condition: Failed
- Location: Engine Oil Temp
- Part time: 1,800 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, K, M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20020460

## Discrepancy

(AUS) RT ENGINE OIL TEMPERATURE VALVE (VERNATHERM) FAILED.

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