# SDR SWAA2024060786908

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2024
- Submitted: June 7, 2024
- Operation: Air carrier
- Aircraft: [N8318F](https://openairdocs.org/aircraft/N8318F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36685
- Aircraft time: 38,855 hours, 18,136 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Exterior Light
- 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/SWAA2024060786908

## Discrepancy

SEVERAL EXTERIOR AND INTERIOR EMERGENCY LIGHTS INOPERATIVE.<[01] PERFORMED TROUBLESHOOTING EMERGENCY LIGHT AS PER REF AMM 33-50 TASK 801 FOUND BATTERY PACK M2335 AND M1673 DEFECTIVE; REPLACE BATTERY PACK M2335 AND M1673 AS PER REF AMM 33-51-06-960-805; TEST PASS;[02] CORRECTION STEP 1 PERFORMED TROUBLESHOOTING EMERGENCY LIGHT AS PER REF AMM 33-50 TASK 801 FOUND BATTERY PACK M2335 AND M1673 DEFECTIVE; REPLACED BATTERY PACK M2335 AND M1673 AS PER REF AMM 33-51-06-960-805; TEST PASS;[03] VERIFIED STEP 1 AND 2;[04] VERIFIED STEP 1; 2; 3

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