# SDR DXTA2026051808120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2026
- Submitted: May 18, 2026
- Operation: Air carrier
- Aircraft: [N454QS](https://openairdocs.org/aircraft/N454QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500690
- Aircraft time: 3,880 hours, 2,984 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 008314
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026051808120

## Discrepancy

EMERGENCY LIGHTS STAYED ON WITH EMER LT ARMED AND WERE FLASHING.   REPLACED BOTH EMER BATTERIES 1 & 2 WITH REPAIRED UNIT, TESTED THE SYSTEM AND IT WORKED GOOD AT THE TIME OF THE TEST IAW PHENOM 300 AMM, CH: 33-50-00

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.