# SDR DXTA2025010901859

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2025
- Submitted: January 9, 2025
- Operation: Air carrier
- Aircraft: [N410QS](https://openairdocs.org/aircraft/N410QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500427
- Aircraft time: 6,326 hours, 4,868 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025010901859

## Discrepancy

REPEAT WRITE UP.  EMER LIGHTS ILLUMINATE INTERMITTENTLY WHEN CONTROL SWITCH IS MOVED FROM OFF TO ARM.  ALSO ILLUMINATE WHEN SWITCH IS IN THE ARM POSITION DURING ENGINE START. CORRECTIVE ACTION: REPLACED #1 BATTERY PACK. OPS CHECK GOOD. 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.