# SDR 2001FA0000231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2001
- Submitted: August 29, 2001
- Operation: General aviation
- Aircraft: [N70083](https://openairdocs.org/aircraft/N70083), registered now
- Make and model: Cessna A185E
- Registry model: [Cessna A185E](https://openairdocs.org/model/cessna-a185e) (OpenAirDocs)
- Aircraft serial: 18501950
- Engine: Cont IO520*
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Valve Seat
- Part number: 6375506
- Condition: Cracked
- Location: Cylinder
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000231

## Discrepancy

DURING A ROUTINE COMPRESSION CHECK, A LEAK WAS FOUND IN THIS CYLINDER (AIR WAS ESCAPING FROM IN BETWEEN COOLING FINS).  UPON REMOVAL OF CYLINDER, 2 CRACKS APPROX. 1 INCH AND .7500 INCH LONG, WERE FOUND TO BE EMANATING FROM THE EXHAUST VALVE SEAT.

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