# SDR AALA20170113023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2017
- Submitted: January 17, 2017
- Operation: Air carrier
- Aircraft: [N759AN](https://openairdocs.org/aircraft/N759AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32638
- Aircraft time: 61,194 hours, 7,756 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 58698
- Condition: Failed
- Location: Cabin
- Part time: 11,578 hours, 1,352 cycles
- 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/AALA20170113023

## Discrepancy

AIRCRAFT NOT GROUNDED. EMERGENCY EXIT IDENTIFIER AT L3 DOOR FAILED TEST. REMOVED AND REPLACED POWER SUPPLY M33405 IAW AMM 33-50-00. OPERATIONAL CHECK GOOD.

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