# SDR SWAA2012121710731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2012
- Submitted: December 18, 2012
- Operation: Air carrier
- Aircraft: [N931WN](https://openairdocs.org/aircraft/N931WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36637
- Aircraft time: 13,576 hours, 8,103 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012121710731

## Discrepancy

CABIN EMERGENCY LIGHTING BATTERY PACKS FAILED CAPACITY CHECK.  REMOVED AND REPLACED PER AMM 7 EACH BATTERY PACKS AT M1669, M1672, M1673, M1668, M1674, M1670 AND M1675.  OPS CHECK GOOD.

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