# SDR DXTA2026101910244

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N786QS](https://openairdocs.org/aircraft/N786QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20590
- Aircraft time: 11,104 hours, 6,488 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light Sys
- Condition: Faulted
- Location: Zone 200
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026101910244

## Discrepancy

EMERGENCY LIGHTS ABOVE SEATS 2L AND 3R DO NOT ILLUMINAT WHEN THE EMER LTS SWITCH IS IN ON POSITION. LIGHTS DO OPERATE WITH NORMAL CABLTS SWITCH.  REMOVED FWD EMERGENCY BATTERY POWER SUPPLY P/N OFF BR9767-001 S/N OFF C0926 AND INSTALLED NEW / FWD EMERGENCY BATTERY POWER SUPPLY P/N ON BR9767-001 S/N ON C3038. OPS CHECKS GOOD. NO FURTHER DISCREPANCIES NOTED AT THIS TIME. WORK PERFORMED IAW BOMBARDIER CHALLENGER 350 SMM 33-50-03

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