What was found
ORD/PDX - ON TAKEOFF, CREW REPORTED WITH LANDING GEAR HANDLE UP, LANDING GEAR UNSAFE LIGHT REMAINED ON. CREW RECYCLED GEAR HANDLE AND IT OPERATED NORMALLY. ON APPROACH TO PDX, GEAR EXTENDED NORMALLY. CREW DID OPS CK AND RETRACTED GEAR. WITH GEAR HANDLE UP, THE DOORS LIGHT AND LT GEAR UNSAFE LIGHTS REMAINED ON. LANDING GEAR EXTENDED NORMALLY. MAINTENANCE REPAIRED A BENT PIN ON THE LT GEAR UPLOCK SWITCH AND CLEANED WATER FROM GEAR DOOR SWITCH. OPERATIONAL CHECK NORMAL PER DACO MM. AIRCRAFT RETURNED TO SERVICE. (X)