# SDR HYIA67886AA

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2009
- Submitted: May 12, 2009
- Operation: Air carrier
- Aircraft: [N67886](https://openairdocs.org/aircraft/N67886), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0435
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Circuit Breaker
- Condition: Unserviceable
- Part time: 3,862 hours
- 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/HYIA67886AA

## Discrepancy

CREW REPORTERD AVIONICS MASTER SWITCH FAILED TO TURN OFF. WORKED OK AFTER SEVERAL ATTEMPTS.  MAINTENANCE REMOVED AND REPLACED SWITCH AS A PRECAUTIONART MEASURE.

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