What was found
DEPARTED, ENROUTE, AFTER TAKEOFF THE CREW REPORTED THAT THE LANDING GEAR HANDLE WAS LOCKED IN THE DOWN POSITION AND THEY COULD NOT RETRACT THE GEAR. THE LANDING GEAR DOWN LOCK OVER RIDE WAS ENGAGED AND THE GEAR RETRACTED NORMALLY. ON DESCENT, THE CREW REPORTED THAT THEY EXTENDED THE GEAR AND GOT A GREEN NOSE AND LT MAIN LIGHT ONLY. THEY CYCLED THE GEAR TWICE AND GOT 3 GREEN, DOWN AND LOCKED INDICATION ON THE SECOND TRY. THEY CONTINUED ON AND LANDED SAFELY WITHOUT INCIDENT. THE CREW DID NOT DECLARE AN EMERGENCY. RT DOWNLOCK SWITCH, PN 41HE1-6, DEFECTIVE, RT MLG ASSEMBLY. (K)