What was found
PILOT REPORTED ENGINE RUNNING ROUGH. COMPRESSION CHECK CYLINDERS, ALL 70/80 OR BETTER. SPARK PLUG INSPECTION SHOWED NR 2 CYLINDER NOT FIRING PROPERLY. FOUND NR 2 EXHAUST VALVE STICKING. REAMED GUIDE AND RETURNED TO SERVICE.
- Difficulty date
- October 4, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N3809S
- Make and model
- Cessna 172E
- Aircraft serial
- 1725109
- Engine
- Cont O300D
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Guide
- Part number
- 24047
- Condition
- Defective
- Location
- Nr 2 Cyl Exh
- Part time
- 284 hours
- Stage of operation
- NR
- Nature of condition
- E, R
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.