What was found
AFTER ENGINE START, BEGAN RUNNING EXTREMELY ROUGH. COULD NOT CLEAR AS REPORTED BY PILOT. MAINTENANCE FOUND NR 2 CYLINDER EXHAUST VALVE STUCK OPEN. NOTE OIL BRAND IN USE X/C 20W50 MULTI VISCOSITY.
- Difficulty date
- July 5, 2018
- Submitted
- July 10, 2018
- Operation
- General aviation
- Aircraft
- N963LT
- Engine
- Lyc IO360L2A
- Engine time
- 379 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 05K21104
- Condition
- Bypassing
- Location
- Engine
- Part time
- 379 hours
- Component
- Engine · Lyc
- Component part number
- IO360L2A
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.