# SDR SWAA2025100319478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2025
- Submitted: October 3, 2025
- Operation: Air carrier
- Aircraft: [N260WN](https://openairdocs.org/aircraft/N260WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32518
- Aircraft time: 62,383 hours, 37,385 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- Location: Zn 200 Fus Top
- 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/SWAA2025100319478

## Discrepancy

L/H AFT EMERGENCY LIGHTING BATTERY PACK FAILED THE CAPACITY CHECK.   REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.

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