As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KIN CREW REPORTED WHEN GEAR UP SELECTED LIGHT WENT TO RED IN TRANSIT & STAYED RED WITH HANDLE FULLY UP. GEAR WAS SELECTED DOWN & ALL THREE GREEN LIGHTS RETURNED. EMERGENCY DECLARED FLIGHT RETURNED KIN LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED GEAR SELECTOR VLV, SYS GND CHECKED NORMAL OPERATION CLOSED.