# SDR SWAA2022072433311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2022
- Submitted: July 25, 2022
- Operation: Air carrier
- Aircraft: [N449WN](https://openairdocs.org/aircraft/N449WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32469
- Aircraft time: 62,769 hours, 37,358 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: M1669
- Condition: Failed
- 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/SWAA2022072433311

## Discrepancy

ALL SEVEN EMERGENCY LIGHTING BATTERY PACKS FAIL CAPACITY TEST / [01] REMOVED AND REPLACED CABIN EMERGENCY LIGHT BATTERY PACKS AT POSITIONS M1668;M1669;M1670;M1672;M1673;M1674; AND M1675 PER AMM 33-51-06 AND ENG DWG 33500005

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