What was found
ENGINE ROUGH RUNNING DURING TAKE OFF RUN UP. COMPRESSION TEST FOUND #4 CYLINDER LOW. REMOVED CYLINDER FOUND EXHAUST VALVE STUCK OPEN. REMOVED VALVE, CLEANED GUIDE OF CARBON BUILDUP, RE-ASSEMBLED, RE-INSTALLED, OPERATES SATISFACTORY.
- Difficulty date
- November 23, 2022
- Submitted
- November 23, 2022
- Operation
- General aviation
- Aircraft
- N69685
- Make and model
- Cessna 150H
- Aircraft serial
- 15067668
- Engine
- Cont O200A
- Engine time
- 9,600 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Condition
- Stuck
- Location
- Nr 4 Cylinder
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.