# SDR DXTA2022010354590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2021
- Submitted: January 6, 2022
- Operation: Air carrier
- Aircraft: [N327QS](https://openairdocs.org/aircraft/N327QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500170
- Aircraft time: 6,543 hours, 5,169 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6450LS001741
- Part serial: 1741
- Condition: Defective
- Location: Zone 100
- Stage of operation: CR
- How discovered: L
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2022010354590

## Discrepancy

CABIN EMERG LIGHT: EMERGENCY LIGHTS STARTED FLASHING DURING FLIGHT. AFTER RESETTING EMER LIGHT SWITCH IN COCKPIT, EMERGENCY LIGHTS REMAINED ILLUMINATED FOR THE DURATION OF THE FLIGHT WITH THE SWITCH IN THE ARM POSITION // SIGNOFF// AFTER TROUBLE SHOOTING, FOUND THE #2 EMERGENCY BATT TO BE BAD. REMOVED AND REPLACED #2 EMERGENCY BATTERY WITH A CUSTOMER SUPPLIED NEW EMERGENCY BATTERY ALL WORK DONE IAW EMB 300 MM 33-52-01 / 400 OPS CHECK GOOD

---
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.