# SDR SWAA2022122082693

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2022
- Submitted: December 20, 2022
- Operation: Air carrier
- Aircraft: [N211WN](https://openairdocs.org/aircraft/N211WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34163
- Aircraft time: 58,988 hours, 35,116 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/SWAA2022122082693

## Discrepancy

SEVERAL EMERGENCY LIGHTS INOPERATIVE THROUGH OUT CABIN.  REMOVED AND REPLACED BATTERY PACKS M1674, M1675, M1668, M1669, M1670, M1672, AND M1673 IAW AMM 33-51-06-960-805. REMOVED AND REPLACED POWER SUPPLIES M1674 AND M1675 IAW AMM 33-51-06-960-806.  PERFORMED AN EMERGENCY LIGHT OPS TEST IAW AMM 33-51-00-710-801. TESTED NORMAL.

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