# SDR SWAA2024061284253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2024
- Submitted: June 12, 2024
- Operation: Air carrier
- Aircraft: [N479WN](https://openairdocs.org/aircraft/N479WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33990
- Aircraft time: 65,876 hours, 39,680 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Discharged
- Location: Emergency Lgihts
- 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/SWAA2024061284253

## Discrepancy

DISCHARGED BATTERY PACK EMERGENCY LIGHT BTW STA 727C TO STA 727D LH SIDE AT PASSENGER CABIN (1 EA).   REPLACED EMERGENCY LIGHT POWER SUPPLY BATTERY PACK (M1670) BTW STA 727C TO STA 727D LH SIDE AT PASSENGER CABIN IAW AMM 33-51-06-960-805. TEST IS OK.

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