# SDR AALA20170321002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2017
- Submitted: March 24, 2017
- Operation: Air carrier
- Aircraft: [N767AJ](https://openairdocs.org/aircraft/N767AJ), registered now
- Make and model: Boeing 777223
- Aircraft serial: 33539
- Aircraft time: 44,845 hours, 5,359 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: No Test
- Location: Emergency Lights
- 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/AALA20170321002

## Discrepancy

EMERGENCY POWER SUPPLY M33099 FAILED CAPACITY TEST.  REPLACED THE POWER SUPPLY IAW AMM 33-51-06.

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