# SDR SCNA07014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2007
- Submitted: December 7, 2007
- Operation: Air carrier
- Aircraft: [N801SY](https://openairdocs.org/aircraft/N801SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30332
- Aircraft time: 25,433 hours, 9,675 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA07014

## Discrepancy

DURING A FUNCTIONAL CHECK MAINTENANCE FOUND THE EMERGENCY LIGHT BATTERY BACKS AT R1, R2, AND L2 DOORS FAILED CAPACITY CHECK.  MAINTENANCE THEN REPLACED THE BATTERY PACKS AT THE R1, R2, AND L2 DOOR.

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