# SDR CA030331007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2003
- Submitted: April 14, 2003
- Operation: General aviation
- Make and model: Cessna 150H
- Registry model: [Cessna 150H](https://openairdocs.org/model/cessna-150h) (OpenAirDocs)
- Aircraft time: 2,241 hours
- Engine: Cont O200A
- Propeller: Mcauly 1A101DCM
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Condition: Stuck
- Location: Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030331007

## Discrepancy

(CAN) PILOT REPORT OF INTERMITTENT ENGINE ROUGH RUNNING. NR 4 EXHAUST VALVE FOUND STICKY. GUIDE AND STEM CLEANED. GROUND RUN SATISFACTORY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.