What was found
(AUS) LH ENGINE OIL COOLER BYPASS VALVE (VERNATHERM) BODY CIRCLIP BROKEN - ONE PIECE OF BROKEN CIRCLIP LODGED IN OIL PRESSURE RELIEF VALVE - SUSPECT CIRCLIP INCORRECTLY HEAT TREATED - RH ENGINE VERNATHERM SIMILARLY AFFECTED
- Difficulty date
- March 11, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Piper PA31350
- Engine
- Lyc TIO540J2BD
- System (JASC)
- 7922 · Engine Oil Temperature Regulator
- Part
- Circlip
- Condition
- Failed
- Location
- Ac,Eng Oil Dist
- Component
- Lyc · VERNATHERM
- Stage of operation
- CL
- Nature of condition
- E
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.