# SDR SIMA201022807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2010
- Submitted: August 16, 2010
- Operation: Air carrier
- Aircraft: [N521AE](https://openairdocs.org/aircraft/N521AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10142
- Aircraft time: 16,044 hours, 11,695 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 62046
- Condition: Discharged
- Location: Cabin
- Part time: 15,845 hours, 13,850 cycles
- Stage of operation: TX
- 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/SIMA201022807

## Discrepancy

ON FLIGHT 3769N DURING THE PREFLIGHT CHECK THE CREW DISCOVERED THE EMERGENCY LIGHTS TO BE INOPERATIVE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NUMBER 1 BATTERY IAW CRJ 700 AMM 33-51-17.  THE OPERATIONAL CHECK WAS GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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