# SDR DXTA2025050303336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: N634QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605558
- Aircraft time: 17,255 hours, 13,298 cycles
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Rheostat
- Condition: Failed
- Location: Cockpit Lights
- Stage of operation: TX
- 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/DXTA2025050303336

## Discrepancy

COCKPIT FLOOD LIGHT: WITH APU RUNNING TRIED TO DIM THE FLOOD LIGHTS WITH THE RHEOSTAT KNOB. RESULTED IN A BRIGHT FLASH BEHIND THE KNOB, BURNING ODOR, AND THE CIRCUIT BREAKER POPPING CORRECTIVE ACTION: GAINED ACCESS TO FLOOD LIGHT RHEOSTAT BY REMOVING SWITCH PANEL REMOVED AND REPLACED RHEOSTAT P/N S3495-2.5K WITH NEW I/A/W CE-560XLS AMM 31-10-01. NO BURNING ODOR NOTED, NO OTHER DEFECTS NOTED, OPS CHECK GOOD. INSTALLED SWITCH PANEL I/A/W CE-560XLS AMM 31-10-00.

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