What was found
ON START-UP ENGINE BEGAN TO RUN ROUGH. INSPECTION BY MX FOUND NR 3 CYLINDER EXHAUST VALVE STUCK OPEN AND CONTACTING PISTON. CYLINDER AND PISTON REPLACED ENGINE RAN SMOOTH.
- Difficulty date
- July 12, 2012
- Submitted
- July 12, 2012
- Operation
- General aviation
- Aircraft
- N507ND
- Make and model
- Cessna 172S
- Aircraft serial
- 172S11060
- Aircraft time
- 1,490 hours
- Engine
- Lyc IO360L2A
- Engine time
- 1,490 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Valve
- Part number
- LW19001
- Condition
- Damaged
- Location
- Zone 400
- Part time
- 1,490 hours
- Component
- Cylinder · Lyc
- Component part number
- 05K21104
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- D, E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.