What was found
CREW REPORTED ON FLIGHT FROM KADS DIRECT KMRF AT FL360 RH FIRE WARNING LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST AND WARNING LIGHT EXTINGUISHED, CREW DIAGNOSED WARNING LIGHT WAS FALSE. THEY CONTINUED ON WARNING LIGHT CAME ON AGAIN CREW DIVERTED TO KMAF. NO EMERGENCY DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE HAS BEEN PERFORMED NO DEFECTS NOTED AND GROUND OPS CHECK OK. AIRCRAFT FLEW BACK TO KADS WITH NO RH FIRE WARNING LIGHT.