# SDR ALGA2012110729142

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2012
- Submitted: November 7, 2012
- Operation: Air carrier
- Aircraft: [N409AL](https://openairdocs.org/aircraft/N409AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53494
- Aircraft time: 13,009 hours
- System (JASC): [7430 · Ignition Switching](https://openairdocs.org/jasc/7430)
- Part: Master Switch
- Part number: W31XZM1G30
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA2012110729142

## Discrepancy

AFTER START UP, THE AVIONICS MASTER SWITCH DID NOT SUPPLY POWER TO AVIONICS AFTER IT WAS TOGGLED ON.  REPLACED AVIONICS MASTER SWITCH.

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