As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FIRE/OVHT SYS FAIL MESSAGE APPEARS ON EICAS EVERY TIME WHEN THRUST REDUCED FROM HIGH TO IDLE. MAINTENANCE VERIFIED R ENG FIRE LOOP 2 INST CURRENTLY FAULTED PER B767 FIM 26-11 FT 804. ONLY R ENG FIRE LOOP 1. DISCREPANCY PREVIOUSLY DEFERRED UNDER DI# 71505 REF LP 39439-75 ITEM 2. AIRCRAFT RETURNED TO SERVICE.