# SDR HYIA812AN

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2009
- Submitted: March 27, 2009
- Operation: Air carrier
- Aircraft: N812AN
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0229
- Aircraft time: 23,997 hours
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Master Switch
- Condition: Unserviceable
- Location: Avionics
- Part time: 601 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA812AN

## Discrepancy

CREW REPORTED AVIONICS MASTER SWITCH FAILED TO TURN OFF.   MAINTENANCE REMOVED AND REPLACED SWITCH.

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