# SDR AALA20072581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2007
- Submitted: January 17, 2008
- Operation: Air carrier
- Aircraft: N977AN
- Make and model: Boeing 737823
- Aircraft serial: 29550
- Aircraft time: 17,996 hours, 7,493 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 16394
- Condition: Failed
- Location: Emergency Lights
- 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/AALA20072581

## Discrepancy

TUL - EMERGENCY LIGHT BATTERY PACK IN AFT CABIN AT STATION 952 FAILED TEST.  REPLACED BATTERY PACK M1672 FOR EMERGENCY LIGHTS IN AFT CABIN AT STATION 952.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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