What was found
AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT AND THE "PROP GND SOL" CAUTION LIGHT ILLUMINATED. FOLLOWED CHECKLIST. PERFORMED A GO AROUND. EMERGENCY WAS DECLARED. RETURNED TO KYIP. LANDING WAS UNEVENTFUL. MAINTENANCE FOUND THE RIGHT MLG SQUAT SWITCH OUT OF RIG. ADJUSTED SAME. PERFORMED SEVERAL GEAR SWINGS AND OPERATIONAL CHECK OF THE PROP GROUND IDLE SYSTEM WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.