# SDR SWAA2021070991025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2021
- Submitted: July 9, 2021
- Operation: Air carrier
- Aircraft: [N227WN](https://openairdocs.org/aircraft/N227WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34450
- Aircraft time: 53,243 hours, 31,665 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: M1668
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021070991025

## Discrepancy

EMERGENCY LIGHT BATTERY PACK M1668 INOP ; / [01] R&R THE L/H CABIN EMERGENCY LIGHT BATTERY PACK M1668; OPS CK GOOD REF 33-51-06.

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