# SDR DXTA2025101305263

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2025
- Submitted: October 13, 2025
- Operation: Air carrier
- Aircraft: [N373QS](https://openairdocs.org/aircraft/N373QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500275
- Aircraft time: 8,811 hours, 6,807 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 006096
- Condition: Defective
- Location: Zone 200
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025101305263

## Discrepancy

EMERGENCY LIGHT SWITCH IN ARM POSITION. ALL EMERGENCY LIGHTS WERE ON IN THE CABIN. TOWARDS THE END OF THE FLIGHT, THE EMERGENCY LIGHTS STARTED TO FLICKER. CORRECTIVE ACTION:  REMOVED AND REPLACED FWD AND AFT EMERGENCY BATTERY PACKS IAW EMB300 MM 33-52-01. OPS CHECK GOOD.

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