# SDR CA020604003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2002
- Submitted: June 13, 2002
- Operation: Air carrier
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Bypass Valve
- Condition: Failed
- Location: Oil Cooler
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA020604003

## Discrepancy

(CAN) AIRCRAFT RETURNED TO GATE. REPORTED NR 2 OIL INDICATION EXCEEDED THE HIGH END. OAT AT AIRPORT WAS SEEN AS 34 DEGREES C. REPLACED THE OIL COOLER BYPASS VALVE. AIRCRAFT RETURNED TO SERVICE.

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