# SDR ASOA20160214009H

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2016
- Submitted: February 16, 2016
- Operation: Air carrier
- Aircraft: [N11535](https://openairdocs.org/aircraft/N11535), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145518
- Aircraft time: 34,880 hours, 36,894 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD20131A
- Part serial: 103972
- Condition: Discharged
- Location: Emergency Lights
- Part time: 10,971 hours, 8,198 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA20160214009H

## Discrepancy

DURING MAINTENANCE INSPECTION THE ALL OF THE EMERGENCY LIGHTS THAT OPERATE OFF OF BATTERY NR 4 WERE FOUND TO BE INOPERATIVE.  MAINTENANCE R & R THE NR 4 BATTERY PACK, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.

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