# SDR GUU2001F00012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2001
- Submitted: June 11, 2001
- Operation: Air carrier
- Aircraft: [N17534](https://openairdocs.org/aircraft/N17534), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE141
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Switch
- Part number: 8545AT33L
- Condition: Sparks
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GUU2001F00012

## Discrepancy

FLT 5401 - FPO-FLL - DURING FLIGHT WHEN THE MASTER PANEL LIGHT SWITCH WAS TURNED ON, A SPARK AND SMOKE WAS OBSERVED.  REMOVED AND REPLACED MASTER LIGHT SWITCH.  OPERATIONAL CHECK NORMAL.  (M)

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