# SDR SWAA2023052348441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2023
- Submitted: May 23, 2023
- Operation: Air carrier
- Aircraft: [N938WN](https://openairdocs.org/aircraft/N938WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36645
- Aircraft time: 45,621 hours, 27,817 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023052348441

## Discrepancy

PAX EMERGENCY LIGHT POWER SUPPLY M1670 INOP<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AND POWER SUPPLY (M1670) IN REF WITH B737 AMM 33-51-06-960-806.OPS CHECK NORMAL.;[02] VERIFIED REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AND POWER SUPPLY (M1670).

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