# SDR SIMA20180224003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2018
- Submitted: February 26, 2018
- Operation: Air carrier
- Aircraft: [N902BC](https://openairdocs.org/aircraft/N902BC), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500887
- Aircraft time: 32,652 hours, 27,855 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 67340
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20180224003

## Discrepancy

LEFT AND RIGHT EXTERIOR AFT OVERWING EMERGENCY LIGHTS INOPERATIVE.  PERFORMED TROUBLESHOOTING OF EXTERIOR AFT OVERWING EMERGENCY LIGHTS IAW WMM 33-50-50.  R & R THE NR 4 EMERGENCY LIGHT BATTERY AND CHARGER ASSY IAW AMM 33-50-04.  OPS CHECKED GOOD.

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