# SDR FK8R201112110006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2011
- Submitted: December 20, 2011
- Operation: General aviation
- Filed by: [Freeway Airport Inc, repair station FK8R141Q](https://openairdocs.org/faa-repair-station/FK8R141Q/freeway-airport-inc.md) (OpenAirDocs)
- Aircraft: [N53571](https://openairdocs.org/aircraft/N53571), registered now
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Aircraft serial: 17274781
- Engine: Lyc O320D2J
- Engine time: 6,840 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: AEL65102
- Condition: Inflt Separation
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, R
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FK8R201112110006

## Discrepancy

PARTIAL POWER LOSS AND VIOLENT VIBRATION REPORTED BY PILOT DURING CLIMB, EMERGENCY LANDING WAS PERFORMED.  COMPLETED VISUAL INSP OF ENGINE, FOUND NR 3 CYLINDER HEAD SEPARATED FROM CYLINDER BARREL.  CYLINDER WAS O/H 87.4 HOURS BEFORE THE SEPARATION.  THIS IS THE CYLINDER ASSY PN AEL65102.

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