What was found
DURING ANNUAL INSPECTION COMPRESSION TEST, NONE FOUND IN #3 CYLINDER. DISASSEMBLED, DETERMINED EXHAUST VALVE STUCK IN GUIDE DUE CARBON BUILD UP. CLEANED VALVE AND GUIDE, RE-ASSEMBLED, RE-INSTALLED, OPERATION SATISFACTORY
- Difficulty date
- November 23, 2022
- Submitted
- November 23, 2022
- Operation
- General aviation
- Aircraft
- N1637Y
- Make and model
- Cessna 172C
- Aircraft serial
- 172493337
- Engine
- Cont O300D
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Condition
- Stuck
- Location
- Nr 3 Cylinder
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.