# SDR HYIA01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2011
- Submitted: July 22, 2011
- Operation: Air carrier
- Aircraft: [N494BC](https://openairdocs.org/aircraft/N494BC), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0308
- Aircraft time: 25,835 hours
- Engine: Cont TSIO520VB
- Engine time: 2,055 hours
- Propeller: Mcauly 3AF32C505
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Nut
- Part number: 531001
- Condition: Cracked
- Location: Nr 3 Cylinder
- Part time: 2,055 hours
- Component: Cylinder, Cont, TSIO520VB
- Component part number: 655470A4
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA01

## Discrepancy

THE NR 3 CYLINDER OF THE RIGHT ENGINE HAD A CRACKED HOLD DOWN NUT.

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