As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"FIRE DETECT FAIL R" AMBER CAS MESSAGE DISPLAYED DURING FLIGHT AND REMAINED UNTIL ACFT SHUTDOWN. VERIFIED INDICATION IS STILL PRESENT. OPENED LOWER COWLING. NOTED FIRE LOOP CONTACTING IN MULTIPLE LOCATIONS. REMOVED FIRE DETECTOR ASSY, INSTALLED NEW ASSY. NO EICAS MESSAGE SHOWN IAW MM 26-10-01.