What was found
IN FLIGHT, ENGINE BECAME ROUGH, LOST POWER, MADE AN UNSCHEDULED LANDING. ON INSPECTION, FOUND STUCK EXHAUST VALVE ON NR 3 CYLINDER. REPLACED CYLINDER WITH A SERVICABLE ASSEMBLY. RAN AIRCRAFT, MAGS CHECKED GOOD.
- Difficulty date
- July 11, 2012
- Submitted
- July 11, 2012
- Operation
- General aviation
- Aircraft
- N559ND
- Make and model
- Cessna 172S
- Aircraft serial
- 172S11001
- Aircraft time
- 2,101 hours
- Engine
- Lyc IO360L2A
- Engine time
- 2,104 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Valve
- Part number
- LW19001
- Condition
- Stuck
- Location
- Exhaust
- Part time
- 2,101 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, E
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.