# SDR SWAA2021011140093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2021
- Submitted: January 12, 2021
- Operation: Air carrier
- Aircraft: [N7751A](https://openairdocs.org/aircraft/N7751A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 36717
- Aircraft time: 41,807 hours, 21,244 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- 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/SWAA2021011140093

## Discrepancy

3 EACH CABIN EMERGENCY LIGHTING BATTERY PACKS FAIL CAPACITY TEST.  REMOVED AND REPLACED 3 EACH CABIN EMERGENCY LIGHTING BATTERY PACKS AT LOCATIONS M1668; M1670; AND M1672, PER AMM 33-51-06 AND ENG DWG 33500005.

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