# SDR 99ZZZX2541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N4949E](https://openairdocs.org/aircraft/N4949E), registered now
- Make and model: Cessna A185F
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (OpenAirDocs)
- Aircraft serial: 18503917
- Engine: Cont IO520D
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Head
- Condition: Cracked
- Location: Engine
- Part time: 1,755 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2541

## Discrepancy

CRACK DEVELOPED FROM SPARK PLUG HOLE TOWARD INTAKE VALVE.  COMPRESSION CHECK WAS GOOD BECAUSE CRACK WAS ABOVE COMBUSTION CHAMBER.

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