# SDR DXTA2025081504600

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2025
- Submitted: August 15, 2025
- Operation: Air carrier
- Aircraft: [N469QS](https://openairdocs.org/aircraft/N469QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500767
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 006834
- 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/DXTA2025081504600

## Discrepancy

DURING CRUISE WITH THE EMERGENCY LIGHTS ARMED , THE CABIN EMERGENCY LIGHTS TURNED ON AND WOULD FLICKER INTERMITTANTLY CORRECTIVE ACTION: COMPLIED WITH FIM TASK 33-50-00-810-801-A AND TROUBLESHOT DOWN TO / FAULTY #1 EMERGENCY BATTERY. CUSTOMER ELECTS TO REPLACE BOTH #1 & / #2 EMERGENCY BATTERIES. REMOVED #1 EMERGENCY BATTERY P/N: 7450LS-00 / S/N: 006834 AND INSTALLED TESTED BATTERY P/N: 7450LS-00 S/N: 001052M. / REMOVED #2 EMERGENCY BATTERY P/N: 7450LS-00 S/N: 006835 AND / INSTALLED TESTED BATTERY P/N: 7450LS-00 S/N: 006352. OPS CHECK GOOD / AT THIS TIME. PERFORMED WORK IAW EMBRAER 505E MM CH. / 33-52-01-400-801-A AND 33-50-00-810-801-A

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