# SDR CA111118007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2011
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Cessna 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (OpenAirDocs)
- Aircraft time: 18,784 hours
- Engine: Cont O200A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: AEC65314
- Condition: Leaking
- Location: Engine
- Stage of operation: TX
- 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/CA111118007

## Discrepancy

(CAN) CYLINDER NR 4 FOUND TO HAVE OIL LEAK AT THE CYLINDER HEAD TO BARREL THREADS ROUGH RUNNING.  REPORTED ON GROUND RUN DURING TAXI, WHILE ENGINE WAS HOT FROM PREVIOUS FLIGHT.

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