What was found
HEAD OF THE NR 3 EXHAUST VALVE BROKE OFF DURING ENGINE OPERATION. THE BROKEN PIECES DAMAGED THE PISTON AND CYLINDER HEAD AS WELL AS THE LOWER SPARK PLUG. SMALL PIECES FOUND IN THE OTHER 3 CYLINDERS AS WELL. (K)
- Difficulty date
- October 19, 2006
- Submitted
- October 25, 2006
- Operation
- General aviation
- Engine
- Lyc O320E2D
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Part number
- LW19001
- Condition
- Broken
- Location
- Cylinder Nr 3
- Part time
- 1,606 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.