# SDR SIMA20121019005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2012
- Submitted: October 22, 2012
- Operation: Air carrier
- Aircraft: [N656AE](https://openairdocs.org/aircraft/N656AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145740
- Aircraft time: 23,062 hours, 20,286 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 103854
- Condition: Discharged
- Location: Cabin
- 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/SIMA20121019005

## Discrepancy

DURING B INSPECTION FOUND THE OVERWING EMERGENCY LIGHTS INOPERABLE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  TROUBLESHOT OVERWING EMERGENCY LIGHTS, FOUND THE PROBLEM TO BE THE NR 4 EMERGENCY LIGHTING BATTERY AND CHARGER.  REMOVED AND REPLACED THE NR 4 CHARGER AND BATTERY ASSEMBLY IAW W/C 33-700-19.  THE OPERATIONAL CHECK WAS GOOD IAW W/C 33-700-17.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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