# SDR AALA20151123011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2015
- Submitted: November 24, 2015
- Operation: Air carrier
- Aircraft: [N799AN](https://openairdocs.org/aircraft/N799AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30258
- Aircraft time: 58,998 hours, 7,476 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 55025
- 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/AALA20151123011

## Discrepancy

ZONE C LT CEILING EMER LIGHT POWER SUPPLY IN M33400 FAILED IN CAPACITY CHECK.  DOOR 3L EMER POWER SUPPLY M33400 REPLACED & TESTED NORMAL IAW AMM 33-51-06.

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