# SDR DXTA2025030702571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2025
- Submitted: March 7, 2025
- Operation: Air carrier
- Aircraft: [N422QS](https://openairdocs.org/aircraft/N422QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500467
- Aircraft time: 5,592 hours, 4,366 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6401359500
- Part serial: 007689
- Condition: Failed
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025030702571

## Discrepancy

EMERGENCY LIGHTING: EMERGENCY LIGHTS WERE ILLUMINATED IN THE ARM POSISTION WITH ALL ELECTRICAL BUSES OPERATING NORMALLY. ATTEMPTED RESET PROCEDURE IN THE POH WITHOUT LUCK. CORRECTIVE ACTION: REPLACED EMERGENCY BATTERIES. OPS CHECK GOOD. IAW PHENOM 300 AMM 33-52-01.

---
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.