# SDR DXTA2026020906797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: February 9, 2026
- Operation: Air carrier
- Aircraft: [N419QS](https://openairdocs.org/aircraft/N419QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500461
- Aircraft time: 7,236 hours, 5,753 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 005525
- Condition: Defective
- Location: Zone 200
- Stage of operation: NR
- 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/DXTA2026020906797

## Discrepancy

ALL EMERGENCY LIGHTS WERE STROBING ERRATICALLY.  IN BOTH ON POSITION AND ARMED.  REMOVED FWD NR 1 EMERGENCY BATTERY  AND INSTALLED A TESTED SUPPLIED BATTERY.  REMOVED AFT NR 2 EMERGENCY BATTERY AND INSTALLED REPAIRED SUPPLIED AFT NR 2 BATTERY IAW MM 33-52-01. PERFORMED SATISFACTORY OPS CHECKS, WITH NO DEFECTS.

---
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.
