# SDR CA140612002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft time: 6,690 hours
- Engine: Lyc O320E2D
- Propeller: Mcauly 1C160DTM
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve
- Condition: Stuck
- Location: Exhaust Valve
- Stage of operation: AP
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA140612002

## Discrepancy

(CAN) EXHAUST VALVE STUCK OPEN. CYLINDER REMOVED AND REPAIRED IN ENGINE REPAIR FACILITY.  REMAINING 3 CYLINDER EXHAUST VALVES CLEANED THROUGH EXHAUST PORT ACCESS. TO BE DETERMINED WHETHER VALVES NEED TO BE REMOVED TO HONE EXHAUST VALVE GUIDE.

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