# SDR 2002FA0000667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2002
- Submitted: May 23, 2002
- Operation: General aviation
- Aircraft: [N7535M](https://openairdocs.org/aircraft/N7535M), registered now
- Make and model: Cessna 175
- Registry model: [Cessna 175](https://openairdocs.org/model/cessna-175) (OpenAirDocs)
- Aircraft serial: 55835
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Master Switch
- Part number: W31X2M1G50
- Condition: Failed
- Location: Instrument Panel
- Part time: 2,947 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000667

## Discrepancy

WHILE TAXING FOR  DEPARTURE AT TAOS AIRPORT. THE PILOT EXPERIENCED AN AVIONICS MASTER SWITCH FAILURE. UPON SEEING A SMALL AMOUNT OF SMOKE AT THE UPPER AREA OF THE INSTRUMENT PANEL THE PILOT IMMEDIATELY SHUT DOWN THE AIRCRAFT AND TAXIED BACK TO THE FBO

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