# SDR AALA202202273720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2022
- Submitted: February 27, 2022
- Operation: Air carrier
- Aircraft: [N794AN](https://openairdocs.org/aircraft/N794AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30256
- Aircraft time: 81,029 hours, 10,515 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200 - Fuse
- 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/AALA202202273720

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY EXIT LIGHTS INOPERATIVE IN BUSINESS AND MAIN CABIN EXTRA SECTIONS. **SUPPLEMENTAL REPORT: REPLACED POWER SUPPLIES M33096, M33097, M33098, M33400, M33404, AND M33408 WITH NEW (AALA202201265519, AALA202202273183, AALA202202278902, AALA202202271693, AALA202202274547) IAW AMM 33-51-06, OPS CHECK GOOD.** (CLOSED)

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