# SDR DXTA2025011401916

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2025
- Submitted: January 14, 2025
- Operation: Air carrier
- Aircraft: [N412QS](https://openairdocs.org/aircraft/N412QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500440
- Aircraft time: 6,074 hours, 4,748 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005423
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: CR
- 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/DXTA2025011401916

## Discrepancy

WITH SWITCH IN ARM POSITION CABIN AND EXTERIOR EMERGENCY LIGHTS ARE ILLUMINATED.  DURING LAST FLIGHT PASSENGERS HIGHLIGHTED EMERGENCY LIGHTS FLASHED PERIODICALLY DURING THE PERIOD 25 MIN BEFORE LANDING UNTIL WE TURNED THEM OFF FOR ENGINE SHUTDOWN.   REPLACED BATTERIES. OPS CHECK GOOD. IAW PHENOM 300 AMM 33-52-01.

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