# SDR DXTA2025112005757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2025
- Submitted: November 20, 2025
- Operation: Air carrier
- Aircraft: [N453QS](https://openairdocs.org/aircraft/N453QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500683
- Aircraft time: 3,285 hours, 2,580 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 005141
- Condition: Weak
- Location: Zone 200
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025112005757

## Discrepancy

WHILE IN FLIGHT CABIN EMERGENCY LIGHTS TURNED ON AND OFF CONTINUOUSLY.  REMOVED AND REPLACED BATTERY 1 & BATTERY 2 IAW AMM 33-52-00.  OPS CHECK GOOD.E

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