As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PARKING, STATUS MESSAGE DISPLAYED RT ENGINE FIRE LOOP. AFTER A FEW MINUTES THE STAUS MESSAGE EXTINGUISHED. INSPECTED RT ENGINE FIRE LOOP WIRE HARNESS IAW WDM 26-11-21. NO DEFECTS NOTED. REPLACED RT ENGINE FIRE DETECTORS TS44, TS45, TS46 IAW AMM 26-11-02. DETECTOR ELEMENT TESTED OK, NO EICAS MESSAGES. GROUND IDLE RUN OPS CHECKED OK.