# SDR HYIA20170503001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2017
- Submitted: May 3, 2017
- Operation: Air carrier
- Aircraft: [N6813J](https://openairdocs.org/aircraft/N6813J), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0641
- Aircraft time: 31,510 hours, 35,200 cycles
- Engine: Cont TSIO520VB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Broken
- Location: Engine
- Part time: 1,972 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20170503001

## Discrepancy

PILOT REPORTED SHUDDERING AND VIBRATION FROM LEFT ENGINE. UPON INSPECTION MAINTENANCE FOUND THE CYLINDER ROTOCOIL BROKEN. CYLINDER WAS REPLACED, ADDITIONAL DETAILS TO BE CONVEYED UPON TEARDOWN ANALYSIS.

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