# SDR 2018FA0000210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2018
- Submitted: July 10, 2018
- Operation: General aviation
- Aircraft: [N963LT](https://openairdocs.org/aircraft/N963LT), registered now
- Engine: Lyc IO360L2A
- Engine time: 379 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2018FA0000210

## Discrepancy

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.

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