As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE RIGHT ENGINE FIRE LOOP 1 STATUS MESSAGE INTERMITTENT ON/OFF THROUGHOUT FLIGHT. MAINTENANCE TROUBLESHOT PER FIM 26-11-00, AND WDM'S 26-11-21 & 71-51-11, FOUND NR 3 FIRE DETECTOR WIRE W5008-0008-18 WITH SMALL CHAFE TO GROUND, REPAIRED WIRE PER STD PRACTICES. OPERATIONAL CHECKS GOOD.