# SDR DALA2025072005443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2025
- Submitted: July 20, 2025
- Operation: Air carrier
- Aircraft: [N592NW](https://openairdocs.org/aircraft/N592NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32992
- Aircraft time: 75,299 hours, 24,708 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- 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/DALA2025072005443

## Discrepancy

AIRCRAFT 5812, MULTIPLE EMERGENCY LIGHTS INOP.   REPLACED POWER SUPPLY M11612 BATTERY PACK. (LP 7322864)

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