# SDR 2024FA0000504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2024
- Submitted: July 17, 2024
- Operation: General aviation
- Aircraft: [N12ZZ](https://openairdocs.org/aircraft/N12ZZ), registered now
- Make and model: Cirrus SR22T
- Registry model: [Cirrus SR22T](https://openairdocs.org/model/cirrus-design-sr22t) (OpenAirDocs)
- Aircraft serial: 0728
- Engine: Cont TSIO550K
- Propeller: Hartzl PHCJ3YF1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 658595
- Part serial: AC16KA930
- Condition: Cracked
- Location: Engine
- Part time: 2,034 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024FA0000504

## Discrepancy

THE EXHAUST ROCKER ARM AND CYLINDER CASTING SEPARATED FROM CYLINDER IN CRUISE FLIGHT. POWER WAS REDUCED AND AIRCRAFT LANDED AT AN ALTERNATE AIRPORT.

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