# SDR 2001FA0000590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2001
- Submitted: December 5, 2001
- Operation: General aviation
- Aircraft: [N59CA](https://openairdocs.org/aircraft/N59CA), registered now
- Make and model: Lakeac 250LAKE
- Aircraft serial: 129
- Engine: Lyc TIO540*
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Nut
- Condition: Missing
- Location: Vernatherm
- Part time: 616 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000590

## Discrepancy

REMOVED VERNATHERM TO COMPLY WITH MFG SB (CHECK NUT TIGHTNESS).  WHEN VALVE REMOVED, THE NUT WAS MISSING.  AFTER A THROUGH SEARCH THE NUT WAS FOUND IN THE INBOARD HOSE,  OIL COOLER END OF THE COPILOT SIDE OF OIL COOLER (2 OIL COOLER ARE ON THIS INSTALLATION).(K)

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