# SDR 2020F00131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2020
- Submitted: February 7, 2020
- Operation: General aviation
- Aircraft: [N749KP](https://openairdocs.org/aircraft/N749KP), registered now
- Make and model: Cessna U206G
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Aircraft serial: U20605554
- Aircraft time: 13,580 hours
- Engine: Cont IO550N
- Engine time: 1,568 hours
- Propeller: Hartzl PHCJ3YF1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: IO550N
- Part serial: 1032272
- Condition: Cracked
- Location: Engine
- Part time: 1,568 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: G
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020F00131

## Discrepancy

ON ENGINE 100 HOUR IT WAS FOUND THAT 4 OF THE 6 CYLINDERS WERE CRACKED. ALL WERE EMANATING FROM THE UPPER SPARK PLUG HOLE TO THE FUEL NOZZLE HOLE

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