# SDR DXTA2026012306625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N363QS](https://openairdocs.org/aircraft/N363QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500256
- Aircraft time: 8,755 hours, 6,935 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 002312M
- Condition: Faulted
- Location: Zone 200
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026012306625

## Discrepancy

UPON TAXI DEPARTING MMU FBO WE NOTICED THAT THE EMERGENCY LIGHTS WERE STILL ON AS THE EMER LT SWITCH WAS PLACED IN ARM. WHEN REACHING THE RUN-UP PAD AT MMU THE EMERGENCY LIGHTS BEGAN STROBING CORRECTIVE ACTION: REMOVED AND REPLACED NO.1 & 2 EMERGENCY BATTERIES. PERFORMED A SATISFACTORY OPERATIONAL TEST AND A SATISFACTORY FUNCTIONAL TEST OF THE EMERGENCY BATTERIES IN REFERENCE WITH EMB 505 MM: 33-52-01 WITH NO DEFECTS NOTED.

---
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.