# SDR SIMA201912054003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2019
- Submitted: December 5, 2019
- Operation: Air carrier
- Aircraft: [N664MS](https://openairdocs.org/aircraft/N664MS), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145779
- Aircraft time: 38,901 hours, 33,902 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 110049
- Part serial: 1235
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201912054003

## Discrepancy

BOTH EXTERNAL OVERWING AFT EMERGENCY LIGHTS INOP-C/A-T/S IAW EMB WIREING MANUAL 33-50-50, REMOVED AND REPLACED NUMBER 4 BATTERY AND CHARGER IAW W/C 33-700-19. OPC GOOD, NO FUTHER DEFECTS FOUND. EMERGENCY LIGHTING BATTERY P/N 2013-1A S/N 103797

---
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.