# SDR SWAA2024020643683

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2024
- Submitted: February 6, 2024
- Operation: Air carrier
- Aircraft: [N453WN](https://openairdocs.org/aircraft/N453WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29847
- Aircraft time: 64,260 hours, 38,169 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024020643683

## Discrepancy

EMERGENCY BATTERY PACKS M1669; M1670; M1672; AND M1674 FAILED CAPACITY TEST.<[01] REMOVED AND REPLACED EMERGENCY BATTERY PACK AT LOCATIONS M1669/M1670/M1672 AND M1674 IN REF WITH B737 AMM 33-51-06-960-805.EMERGENCY BATTERY PACK INSTALLATION TEST NORMAL.;[02] CERTIFIED WORK STEPS FOR BATTERY PACK REPLACEMENT.

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