# SDR SWAA2026041789590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2026
- Submitted: April 17, 2026
- Operation: Air carrier
- Aircraft: [N8607M](https://openairdocs.org/aircraft/N8607M), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36634
- Aircraft time: 44,904 hours, 21,412 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulted
- Location: Zone 200
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026041789590

## Discrepancy

ON TAKEOFF ROLL; EMER EXIT LIGHTS AT ROW 6; 10 & 14 (F/O SIDE) ILLUMINATED ON (UNCOMMANDED). SHORTLY AFTER TAKEOFF THEY EXTINGUISHED.   REMOVED AND REPLACED BATTERY PACK ON ROW 7DEF (M1676) PER AMM 33-51-06.OPS CHECK GOOD THE FAULT ON GROUND COULD NOT BE DUPLICATED.

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