What was found
BOI FLIGHT NR 2404, UPON GEAR RETRACTION AFTER TO, GEAR RETRACTED BUT RIGHT DOOR LIGHT REMAINED ILLUMINATED AND DOOR WAS VISUALLY CONFIRMED OPEN. AS PER EA CHECKLIST, GEAR WAS CYCLED. DURING THE DOWN CYCLE, GEAR EXTENDED NORMAL AND DOOR CLOSED. DURING CYCLE UP, GEAR RETRACTED NORMAL AND DOOR CLOSED. GEAR EXTENDED NORMAL FOR LANDING IN BOI. AIRCRAFT FERRIED TO PDX. MAINTENANCE REMOVED RT MLG RETRACT ACTUATOR IAW Q400 AMM TASK 32-31-11-000-801. INSTALLED SERVICEABLE MLG ACTUATOR IAW Q400 TASK 32-31-11-400-801. COMPLIED WITH INSTALLATION OF RT MLG ACTUATOR IAW Q400 AMM TASK 32-31-11-400-801. OPS TEST GOOD. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.