What was found
PILOT REPORTED THAT THE ENGINE RAN ROUGH AT FULL POWER. REMOVED VALVE COVERS AND FOUND NR 4 CYLINDER EXHAUST VALVE HAD NO CLEARANCE BETWEEN THE VALVE AND ROCKER ARM. THE VALVE HEAD WAS STRETCHED.
- Difficulty date
- October 23, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Filed by
- FSER011E
MAC Aircraft Maintenance - Aircraft
- N6344V
- Make and model
- Cessna 172RG
- Aircraft serial
- 172RG0635
- Engine
- Lyc O360F1A6
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Valve
- Condition
- Stretched
- Location
- Nr 4 Exh
- Part time
- 624 hours
- Stage of operation
- NR
- Nature of condition
- E, R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.