# SDR ASOA20160912048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2016
- Submitted: September 13, 2016
- Operation: Air carrier
- Aircraft: [N14904](https://openairdocs.org/aircraft/N14904), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145477
- Aircraft time: 36,928 hours, 28,367 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 110049
- 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/ASOA20160912048

## Discrepancy

DURING ROUTINE MAINTENANCE THE LT FORWARD EXTERNAL EMERGENCY LIGHT WAS FOUND INOPERATIVE.  MAINTENANCE REPLACED THE NR 1 EMERGENCY BATTERY POWER SUPPLY AND THE NR 1 EMERGENCY BATTERY.  OPS CHECKS WERE GOOD.

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