# SDR DALA2026080604552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2026
- Submitted: August 7, 2026
- Operation: Air carrier
- Aircraft: [N591NW](https://openairdocs.org/aircraft/N591NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32991
- Aircraft time: 78,575 hours, 26,131 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- 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/DALA2026080604552

## Discrepancy

CEILING EMERGENCY LIGHTS AT ROWS 28, 30, 33 INOPERATIVE.   R & R EMERGENCY LIGHT BATTERY PACK M11383 IAW AMM 33-51. (9599829)(AIRCRAFT GROUNDED)

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