# SDR DXTA2025081404584

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2025
- Submitted: August 14, 2025
- Operation: Air carrier
- Aircraft: [N460QS](https://openairdocs.org/aircraft/N460QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500730
- Aircraft time: 2,041 hours, 1,603 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 007366
- 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/DXTA2025081404584

## Discrepancy

EMERGENCY LIGHTS STAY ON WHEN SWITCH IS IN THE ARM POSITION, AIRCRAFT ON THE GROUND TRIED WITH GPU CONNECTED AND GPU DISCONNECTED. CORRECTIVE ACTION: REPLACED #1 AND #2 EMERGENCY LIGHTING BATTERY OPS CHECK GOOD WORD DONE IAW EMBRAER EMB-505 AMM

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