# SDR AU980595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Maule MX-7-180
- Registry model: [Maule MX-7-180](https://openairdocs.org/model/maule-mx-7-180) (OpenAirDocs)
- Propeller: Hartzl
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Thermo Valve
- Part number: 53E19600
- Condition: Nut Loose
- Location: Engine
- 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/AU980595

## Discrepancy

(AUS) THERMOSTATIC OIL COOLER BYPASS VALVE (VERNATHERM) SHAFT NUT LOOSE.  FOUND DURING INSPECTION IAW AD/LYC/78 AMDT5. PART TC:  770.

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