# SDR HYIA68752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2009
- Submitted: March 6, 2009
- Operation: Air carrier
- Aircraft: [N68752](https://openairdocs.org/aircraft/N68752), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0518
- Aircraft time: 12,951 hours, 323,000 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Master Switch
- Part number: CM358950
- Part serial: 0633
- Condition: Unserviceable
- Location: Avionics
- Part time: 1,611 hours, 4,027 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA68752

## Discrepancy

CREW REPORTED AVIONICS MASTER SWITCH INOP.  MAINTENANCE REMOVED AND REPLACED CIRCUIT BREAKER SWITCH.

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