As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF THE PILOT ATTEMPTED TO RETRACT THE LANDING GEAR. DURING THE PROCESS OF RETRACTION THE RIGHT HAND GREEN INDICATION DOWN AND LOCK STAYED ILLUMINATED. DUE TO THIS PROBLEM THE PILOT RETURNED TO HIS POINT OF DEPARTURE. WE PERFORMED GEAR SWINGS ON THE AIRCRAFT AND FOUND THAT FOUND RH MLG DOWNLOCK SWITHC WAS INOP. WE CHANGED THE SWITCH/ PERFORMED THE GEAR SWINGS AND THE ISSUE WAS CLEARED