# SDR DXTA2026021706910

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2026
- Submitted: February 17, 2026
- Operation: Air carrier
- Aircraft: [N389QS](https://openairdocs.org/aircraft/N389QS), registered now
- Make and model: Cessna 680SOV
- Aircraft serial: 6800149
- Aircraft time: 15,748 hours, 10,491 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: S465515022
- Condition: Faulty
- 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/DXTA2026021706910

## Discrepancy

EMERGENCY LIGHT SWITCH IN ARM POSITION, APU RUNNING AND EMERGENCY LIGHTS FLASH ON OFF ABOUT EVERY 15 SECONDS. CORRECTIVE ACTION: REMOVED AND REPLACED THE RELAY KC006 OPS CHECK GOOD FOR RELAY OPERATION AND ELIMINATED FLICKER. WORK PERFORMED IAW CE-680 MM 33-50-00.REMOVED FAULTY INERTIA SWITCH. CONNECTED BATTERY AND PERFORMED OPS CHECK OF #1 INERTIA SWITCH. OPS CHECK GOOD

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