What was found
AFTER TAKEOFF, THE RT MLG DID NOT LOCK UP AND THE AMBER SLASHES INDICATION REMAINED ON. WE COMPLETED THE "LANDING GEAR DOES NOT LOCK UP" CHECKLIST. UPON THE CHECKLIST DIRECTED SECOND ATTEMPT, AT 160 KIAS, THE RT MAIN GEAR STAYED ON A GREEN "DN" INDICATION THE ENITE TIME. TROUBLESHOT TO AN INTERMITTENT FAILING RT MLG ACTUATOR. REMOVED RT MLG ACTUATOR AND INSTALLED AN INSPECTED ACTUATOR. OPS CHECK GOOD. ALL WORK PERFORMED IAW MM 32-10-20.