# SDR HYIAN83PB709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2009
- Submitted: August 10, 2009
- Operation: Air carrier
- Aircraft: [N83PB](https://openairdocs.org/aircraft/N83PB), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0350
- Aircraft time: 28,702 hours
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Master Switch
- Part number: CM358950
- Condition: Unserviceable
- Location: Cockpit
- Part time: 1,081 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIAN83PB709

## Discrepancy

CREW REPORTED AVIONICS MASTER SWITCH INOPERATIVE.   MX REMOVED AND REPLACED AVIONICS MASTER SWITCH.

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