# SDR HYIA20170510001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2017
- Submitted: May 10, 2017
- Operation: Air carrier
- Aircraft: [N5826C](https://openairdocs.org/aircraft/N5826C), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0050
- Aircraft time: 35,102 hours, 8,567 cycles
- Engine: Cont TSIO520VB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Condition: Broken
- Location: Nr 2 Cylinder
- Part time: 558 hours
- Component: Cylinder, Cont
- Component part number: 658552A2
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20170510001

## Discrepancy

PILOT REPORTED LEFT ENGINE RUNNING ROUGH IN CRUISE. MAINTENANCE INSPECTED AND FOUND THE NUMBER TWO CYLINDER EXHAUST VALVE BROKEN AND PUSHROD BENT. ENGINE HAS BEEN REMOVED FOR TEARDOWN ANALYSIS; FURTHER DETAIL WILL BE PROVIDED UPON RECEIPT OF TEARDOWN REPORT.

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