As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORRECTED SDR AS PER FAA REQUEST. UPON SELECTING LANDING GEAR DOWN ONLY THE RIGHT MAIN GREEN AND GEAR UNSAFE LIGHTS ILLUMINATED. COMPLIED WITH CHECKLIST. FOUND GEAR CONTROL CB POPPED. ACHIEVED 3 GREEN. EMERGENCY GEAR EXTENSION WAS USED. "CORRECTIVE ACTION" REPLACED LANDING GEAR CONTROL HANDLE WITH OVERHAULED UNIT IAW CE560XLS AMM CH32-30-01 OPS CHECKS GOOD.