# SDR CA090629001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2009
- Submitted: August 3, 2009
- Operation: General aviation
- Make and model: Cessna 172K
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (OpenAirDocs)
- Aircraft time: 3,551 hours
- Engine: Lyc O320E2D
- Propeller: Mcauly 1A175ATM
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: AEL65102
- Condition: Cracked
- Location: Engine
- Part time: 760 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090629001

## Discrepancy

(CAN) INITIALLY FOUND ALUMINUM SHAVINGS IN OIL SCREEN, CYL NR 3 FOUND AT LOW COMPRESSION 20/80.  CYLINDER ASSY REMOVED AND FOUND PISTON BROKEN BETWEEN THE TOP 2 RINGS, CREATING THE SHAVINGS.  ALSO, FOUND CYLINDER HEAD CRACK STARTING NEAR SPARK PLUG HOLE.

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