# SDR SWAA2026062515764

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2026
- Submitted: June 25, 2026
- Operation: Air carrier
- Aircraft: [N957WN](https://openairdocs.org/aircraft/N957WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 41528
- Aircraft time: 48,449 hours, 29,942 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- 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/SWAA2026062515764

## Discrepancy

EMERGENCY LIGHT BATTERY PACK FAILED. FORWARD LEFT AND RIGHT; AFT LEFT AND RIGHT.  REMOVED AND REPLACED PER AMM 33-51-06-960-805.

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