# SDR ASOA2018062515159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2018
- Submitted: June 25, 2018
- Operation: Air carrier
- Aircraft: [N13989](https://openairdocs.org/aircraft/N13989), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145271
- Aircraft time: 42,824 hours, 33,004 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD20131A
- Part serial: 125287
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 9,998 hours, 8,971 cycles
- 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/ASOA2018062515159

## Discrepancy

DURING MX INSPECTION THE AFT EMERGENCY LIGHTS AND OVER WING LIGHTS WERE FOUND NOT TO ILLUMINATE.  MX REMOVED AND REPLACED NR 4 EMERGENCY LIGHT BATTERY.  OPS CHECKED GOOD.  THE ACFT WAS APPROVED FOR RETURN TO SERVICE.

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