# SDR AALA20090909TUL09

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2009
- Submitted: September 9, 2009
- Operation: Air carrier
- Aircraft: [N971AN](https://openairdocs.org/aircraft/N971AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29547
- Aircraft time: 24,471 hours, 10,325 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Discharged
- 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/AALA20090909TUL09

## Discrepancy

MIA - EMERGENCY LIGHT BATTERY PACK FAILED FUNCTIONAL TEST.  REPLACED BATTERY PACK AT M1695.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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