# SDR SWAA2023092103025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2023
- Submitted: September 21, 2023
- Operation: Air carrier
- Aircraft: [N8301J](https://openairdocs.org/aircraft/N8301J), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36980
- Aircraft time: 37,420 hours, 16,892 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Zn 200 Fus Top
- 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/SWAA2023092103025

## Discrepancy

SEVERAL EMERGENCY LIGHTS INOPERATIVE AT PASSENGER CABIN.<[01] PERFORMED TROUBLESHOOTING AS PER B737 SSM 33-51-11; 33-51-12; 33-51-13; 33-51-14 AND 33-51-21. FOUND M2816 AND M1672 EMERGENCY EXIT LIGHT BATTERY PACK INOPERATIVE; REPLACED M2816 AND M1672 EMERGENCY EXIT LIGHT BATTERY PACK AS PER REF AMM 33-51-06-960-805 EMERGENCY LIGHTS TEST OK;[02] VERIFIED PERFORMED TROUBLESHOOTING REPLACED BATTERY PACK AT M2816 AND M1672. EMERGENCY LIGHTS TEST OK

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