# SDR SWAA2025091513848

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2025
- Submitted: September 15, 2025
- Operation: Air carrier
- Aircraft: [N8525S](https://openairdocs.org/aircraft/N8525S), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36949
- Aircraft time: 28,690 hours, 14,440 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/SWAA2025091513848

## Discrepancy

EMERGENCY LIGHTS INOPERATIVE.  RT SIDE ROWS 1 - 24; LT SIDE 1 - 14.  R & R THE BATTERY PACKS IAW AMM 33-51-06. OPS CHECKED GOOD.

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