# SDR 2009FA0000471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2009
- Submitted: June 3, 2009
- Operation: General aviation
- Engine: Lyc IO540K1G5
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: CL13SA
- Part serial: 568735
- Condition: Separated
- Location: Engine
- Part time: 1 hours
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000471

## Discrepancy

THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION.  PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING.  THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY OVERHAULED ENGINE.  ALL CYLINDER WERE REMOVED FROM THE ENGINE.  THIS CYLINDER WAS NOT PLACED IN SERVICE. (NO FLIGHT TIME). (K)

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