# SDR SWAA2025081197141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2025
- Submitted: August 11, 2025
- Operation: Air carrier
- Aircraft: [N228WN](https://openairdocs.org/aircraft/N228WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32496
- Aircraft time: 64,528 hours, 38,935 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/SWAA2025081197141

## Discrepancy

ALL ASSOCIATED LIGHTS WITH M1674 EMERGENCY BATTERY PACK INOP<[01] REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY AND CHARGER M1674 PER AMM 33-51-06-960-806 AND TEST GOOD PER AMM 33-51-06-960-806;[02] VERIFIED CORRECTIVE ACTION

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