# SDR DALA2025121709198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2025
- Submitted: December 17, 2025
- Operation: Air carrier
- Aircraft: [N553NW](https://openairdocs.org/aircraft/N553NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26500
- Aircraft time: 64,550 hours, 28,818 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025121709198

## Discrepancy

DURING SVC FOUND ROW 26 TO 28 EMERGENCY LIGHT INOP.   T/S PER B757 WDM 33-51-13 FOUND BATTERY PATH C/P UNSECURED. SECURED C/P PER B757 AMM 33-51 OPS CHECK NML. (7725037)

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