# SDR AALA20130207004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2013
- Submitted: February 7, 2013
- Operation: Air carrier
- Aircraft: [N751AN](https://openairdocs.org/aircraft/N751AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30798
- Aircraft time: 48,049 hours, 6,346 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- 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/AALA20130207004

## Discrepancy

EMERGENCY POWER SUPPLY M33409 AT RIGHT NUMNBER 4 DOOR FAILED.  REPLACED BATTERY PACK M33409 FOR RIGHT NUMBER 4 DOOR EMERGENCY LIGHTS.  OPS CHECK NORMAL.

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