# SDR DJFA20120102001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2012
- Submitted: January 4, 2012
- Operation: Air carrier
- Aircraft: N442FL
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK334
- Aircraft time: 7,932 hours, 6,661 cycles
- System (JASC): [3110 · Instrument Panel](https://openairdocs.org/jasc/3110)
- Part: Dimmer
- Part number: 86611
- Part serial: 0022342
- Condition: Smoke
- Location: Instrument Panel
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H, B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA20120102001

## Discrepancy

ON APPROACH, CREW REPORTED SMOKE EMANATING FROM THE INSTRUMENT PANEL, WITH AN ELECTRICAL BURNING SMELL.  CREW DECLARED AN EMERGENCY, CONTINUED THE APPROACH TO A SAFE LANDING.  MX FOUND THE DIMMER POWER SUPPLY (DS104) OUTPUT VOLTAGE OUT OF LIMITS WHICH RESULTED IN BURNING UP THE ALTITUDE AWARENESS PANEL.  BOTH COMPONENTS WERE REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.