# SDR SWAA2025101523814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2025
- Submitted: October 15, 2025
- Operation: Air carrier
- Aircraft: [N8649A](https://openairdocs.org/aircraft/N8649A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42527
- Aircraft time: 37,224 hours, 18,224 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- 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/SWAA2025101523814

## Discrepancy

M1694 & M1695 EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACKS INOPERATIVE.   R & R M1694 & M1695 POWER SUPPLIES AND ASSOCIATED BATTERY PACKS IAW MM 33-51-06. OPS CHECKED GOOD.

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