# SDR SWAA2021070689400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2021
- Submitted: July 6, 2021
- Operation: Air carrier
- Aircraft: [N8303R](https://openairdocs.org/aircraft/N8303R), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36681
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021070689400

## Discrepancy

DUE TO REPEAT FAULTS WITH FWD CABIN EMERGENCY LIGHTING; INSPECT WIRING TO BATTERY PACKS M1675; M1676; M2816; AND M2335 AND REPAIR ANY DEFECTS FOUND. IF NO DEFECTS FOUND; REPLACE BATTERY PACK M2335 AS A PRECAUTION / REMOVED AND REPLACED BATTERY PACK M2335. NO DEFECTS NOTED. REF AMM 33-51-06.

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