# SDR HNAA2015101402960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2015
- Submitted: October 14, 2015
- Operation: Air carrier
- Aircraft: [N930HA](https://openairdocs.org/aircraft/N930HA), registered now
- Make and model: Dhav DHC8102
- Aircraft serial: 126
- Aircraft time: 66,726 hours, 75,429 cycles
- System (JASC): [3424 · Turn and Bank/Rate of Turn Indicator](https://openairdocs.org/jasc/3424)
- Part: Switch
- Part number: 3420SW1
- Condition: Contaminated
- Location: Gyro Panel
- Stage of operation: CR
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2015101402960

## Discrepancy

SMOKE EMANATED FROM THE SAHS SWITCH.  FOUND GYRO NR 1 SWITCH ON GYRO PANEL SCORCHED 3420-SW1.  CLEANED DEBRIS FROM OTHER SWITCHES ON PANEL.

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