# SDR AALA20091108DFW20

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2009
- Submitted: December 3, 2009
- Operation: Air carrier
- Aircraft: [N757AN](https://openairdocs.org/aircraft/N757AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32636
- Aircraft time: 33,207 hours, 4,537 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/AALA20091108DFW20

## Discrepancy

EMERGENCY LIGHT BATTERY PACK 33407 FAILS TEST.  REMOVED AND REPLACED BATTERY PACK M33407.

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