# SDR 98ZZZX710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N5078U](https://openairdocs.org/aircraft/N5078U), registered now
- Make and model: Beech 65
- Registry model: [Beech 65](https://openairdocs.org/model/beech-65) (OpenAirDocs)
- Aircraft serial: LF32
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Valve Assy
- Part number: 5E19600
- Condition: Failed
- Location: Thermo Bypass
- Part time: 131 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX710

## Discrepancy

A NEW OIL TEMP CONTROL VALVE WAS USED FOR ENGINE OVERHAUL PN 5E19600.  ENGINE OIL TEMP FOR FIRST 100 HRS TIS WAS NORMAL.  THE NEXT 31.2 HRS TIS, OIL TEMP INCREASED TO RED LINE.  PN 5E19600 WAS TESTED AND FOUND DEFECTIVE.

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