As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, CREW CALLED RT ENGINE FIRE LOOP 2 AND RT ENG O/H EICAS MESSAGE OCCURRED AFTER POWER TRANSFER. PERFORMED FIRE WARNING TEST, ALL FIRE WARNING ANNUN LIGHTS ILLUMINATED AND FIRE WARNING MESSAGE SHOWED ON EICAS SCREEN. ENDED FIRE WARNING TEST AND ALL MESSAGES CLEARED, OK FOR SERVICE.