# SDR SIMA201009601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2010
- Submitted: April 6, 2010
- Operation: Air carrier
- Aircraft: [N678AE](https://openairdocs.org/aircraft/N678AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500813
- Aircraft time: 15,012 hours, 13,465 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 73777
- Condition: Discharged
- Location: Cabin
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201009601

## Discrepancy

DURING MAINTENANCE VISIT FOUND THAT THE AFT EMERGENCY LIGHTS ARE ON ALL TIME.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NR 4 EMERGENCY BATTERY AND POWER SUPPLY.  ALL CHECKS GOOD PER EMB AMM 33-50-04.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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