As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING 9500 FEET, NOTICED AMBER HYD ALERT NR 4 DU. LEVEL 3 ALERT FOR FIRE ENG NR 3 WENT OFF WITH FIRE BELL & ALL LIGHTS. THROTTLE NR 3 RETARDED, ALERT REMAINED PRESENT. SHUT OFF FUEL VLV, ALERT DISAPPEARED. DISCHARGED FIRE BOTTLE & DIVERTED FLIGHT. DISCOVERED BLOWN DUCT FROM HIGH PRESSURE TURBINE COOLING SYS.