# SDR LR7A2023010203258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2023
- Submitted: January 3, 2023
- Operation: Air carrier
- Aircraft: [N402LC](https://openairdocs.org/aircraft/N402LC), registered now
- Make and model: Lkheed 382G44K30
- Aircraft serial: 4698
- Aircraft time: 48,624 hours, 26,174 cycles
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Vernatherm
- Part number: 8A1006X
- Part serial: 1074
- Condition: Inoperative
- Location: Nr 3 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2023010203258

## Discrepancy

DURING SCHEDULED FLIGHT #3 ENGINE SHUTDOWN FOR OIL TEMP OUT OF LIMITS INDICATING 100 DEGREES, OAT -26, OIL COOLER FLAP FULL OPEN.  REPLACED OIL COOLER THERMOSTATICALLY CONTROLLED BYPASS VALVE IAW SMP581 79-20.

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