# SDR AALA20160927003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2016
- Submitted: September 27, 2016
- Operation: Air carrier
- Aircraft: [N788AN](https://openairdocs.org/aircraft/N788AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30011
- Aircraft time: 62,748 hours, 8,241 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 17072
- Condition: Faulty
- Location: Emergency Lights
- Part time: 23,115 hours, 2,752 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160927003

## Discrepancy

FIRST CLASS EMERGENCY LIGHT AND EXIT SIGNS AT L1 & R1 DOORS ARE INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY M33093 IAW AMM 33-51-06. OPERATIONAL CHECK NORMAL.

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