# SDR SWAA2025121042546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2025
- Submitted: December 10, 2025
- Operation: Air carrier
- Aircraft: [N8791D](https://openairdocs.org/aircraft/N8791D), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67779
- Aircraft time: 9,622 hours, 4,805 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Failed
- 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/SWAA2025121042546

## Discrepancy

EMERGENCY LIGHT POWER SUPPLY 'M1695' FAILS OPS CHECK.   REMOVED & INSTALLED A NEW AND PERFORMED OPS CHECK OF EMERGENCY LIGHT POWER SUPPLY 'M1695 FUSES IAW AMM 33-51-00. OPS CHECK GOOD.

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