# SDR 2009FA0000969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2009
- Submitted: November 20, 2009
- Operation: General aviation
- Engine: Cont TSIO520R
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: ACE631397
- Part serial: 1812526
- Condition: Cracked
- Location: Engine
- Part time: 378 hours
- 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/2009FA0000969

## Discrepancy

CYLINDER HEAD CRACKED AT THE EXHAUST PORT.  THE CRACK EXTENDS FROM THE INSIDE ABOVE THE VALVE SEAT THROUGH THE CYLINDER HEAD APPROX 1.7" LONG.  (K)

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