# SDR DXTA2026092109759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N310QS](https://openairdocs.org/aircraft/N310QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500147
- Aircraft time: 11,232 hours, 8,779 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 007834
- Condition: Defective
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026092109759

## Discrepancy

EMER LIGHTS STAYING ON WITH EMER LT SWITCH IN ARM POSITION. CORRECTIVE ACTION: REPLACED BATTERY PACK. OPS CHECK GOOD. IAW PHENOM 300 AMM 33-52-01-400-801-A

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