What was found
PILOT REPORTED THAT RT ENGINE WAS RUNNING ROUGH IN FLIGHT. HE DID NOT SHUTDOWN ENGINE. FOUND NO COMPRESSION IN NR 5 CYLINDER ON RT ENGINE. REMOVED CYLINDER AND FOUND EXHAUST VALVE WAS BROKEN. INSTALLED OVERHAULED CYLINDER ASSEMBLY.
- Difficulty date
- February 8, 2007
- Submitted
- February 22, 2007
- Operation
- General aviation
- Aircraft
- N540CA
- Make and model
- Cessna 421C
- Aircraft serial
- 421C0144
- Engine
- Cont GTSIO520*
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Condition
- Broken
- Location
- Nr 5 Cylinder
- Part time
- 1,776 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.