# SDR SWAA2025080596966

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2025
- Submitted: August 5, 2025
- Operation: Air carrier
- Aircraft: [N8546V](https://openairdocs.org/aircraft/N8546V), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63574
- Aircraft time: 26,457 hours, 13,420 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- 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/SWAA2025080596966

## Discrepancy

ALL RH BIN EMERGENCY LIGHTS AFT OF OVERWING; AND R2 EMERGENCY LIGHTS INOP.<[01] TWO BATTERY PACKS (M1671 AND M1672) WERE FOUND TO BE AT FAULT. CHARGED AND OP CHECKED M1672 BATTERY PACK IAW SWA 737-800 AMM 33-51-06-610-802 AND AMM 33-51-06-960-805. REMOVED; REPLACED AND OP CHECKED M1671 BATTERY PACK IAW SWA 737-800 AMM 33-51-06-960-805. BOTH BATTERY PACKS OP CHECK GOOD.<BR><BR>PO# 1128809.1;[02] TWO BATTERY PACKS (M1671 AND M1672) WERE FOUND TO BE AT FAULT. CHARGED AND OP CHECKED M1672 BATTERY PACK IAW SWA 737-800 AMM 33-51-06-610-802 AND AMM 33-51-06-960-805. REMOVED; REPLACED AND OP CHECKED M1671 BATTERY PACK IAW SWA 737-800 AMM 33-51-06-960-805. BOTH BATTERY PACKS OP CHECK GOOD.

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