# SDR AALA20140103004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2013
- Submitted: January 6, 2014
- Operation: Air carrier
- Aircraft: [N753AN](https://openairdocs.org/aircraft/N753AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30261
- Aircraft time: 51,466 hours, 6,585 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: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20140103004

## Discrepancy

AFT ZONE COACH ESCAPE PATH LIGHTS FAILED TEST.  REPLACED BATTERY PACK M33401 FOR AFT ZONE COACH ESCAPE PATH LIGHTS.  OPERATIONS CHECKED NORMAL.

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