# SDR 2002FA0000084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2002
- Submitted: January 23, 2002
- Operation: General aviation
- Aircraft: [N49CN](https://openairdocs.org/aircraft/N49CN), registered now
- Make and model: Robsin R44
- Aircraft serial: 0554
- Engine: Lyc O540F1B5
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Vernatherm
- Part number: 53E22144
- Condition: Stuck
- Location: Oil Cooler
- Part time: 338 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000084

## Discrepancy

OPERATOR COMPLAINT, HIGH OIL TEMPERATURES, 245 DEGREES F.   VERIFIED BY A DECREASE IN OIL PRESSURE.  FOUND VALVE DEFECTIVE.  REMOVED AND REPLACED VALVE WITH NEW PART.  OPS CHECKED GOOD.

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