# SDR SWAA2021010539364

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2021
- Submitted: January 5, 2021
- Operation: Air carrier
- Aircraft: [N8611F](https://openairdocs.org/aircraft/N8611F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36892
- Aircraft time: 27,737 hours, 12,220 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- 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/SWAA2021010539364

## Discrepancy

ROW 17 AND 20 DEF EMERGENCY LIGHTS INOPERABLE.  REMOVED AND REPLACED M1671 BATTERY POWER SUPPLY BATTERY PACK.  OPERATIONS CHECK GOOD, REF AMM 33-51-06.

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