# SDR 95ZZZX2951

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N47837](https://openairdocs.org/aircraft/N47837), registered now
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 287816141
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Valve
- Part number: 75944
- Condition: Crimp Nut Loose
- Location: Thermo Bypass
- Part time: 1,418 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/95ZZZX2951

## Discrepancy

DURING AN ANNUAL INSPECTION, THE VERNATHERM VALVE WAS REMOVED FOR INSPECTION TO COMPLY WITH LYCOMING SB 518C.  THE VALVE PN 75944 HAD A LOOSE CRIMP NUT AND VALVE CONE HAD A WORN GROOVE.  INSTALLED NEW VALVE PN SL53E19600 WHICH HAS DRILLED NUT AND ROLL PIN.  RECOMMEND SB 518 BECOME AN AD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.