# SDR SWAA2021081892880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 61,121 hours, 35,983 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/SWAA2021081892880

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1673 INOP ; / [01] ALLOWED M1673 TO CHARGE AND PERFORMED OPERATIONAL CHECK PER AMM 33-51-06-960-805 LIGHTS ASSOCIATED WITH M1673 CHECKED GOOD; [02] VERIFIED ALLOWED M1673 TO CHARGE AND PERFORMED OPERATIONAL CHECK PER AMM 33-51-06-960-805; LIGHTS ASSOCIATED WITH M1673 CHECKED GOOD

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