# SDR AALA20170517010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2017
- Submitted: May 19, 2017
- Operation: Air carrier
- Aircraft: [N781AN](https://openairdocs.org/aircraft/N781AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29586
- Aircraft time: 69,495 hours, 8,418 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 48183
- Condition: Inoperative
- Location: Emergency Light
- 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/AALA20170517010

## Discrepancy

FIRST CLASS EMERGENCY LIGHT TEST FAIL. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY IAW AMM 33-51-06. OPS CHECKED NORMAL.

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