As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT JUST AFTER TAKEOFF, THE NR 3 ENGINE EGT ROSE TO 840 CELSIUS EGT REMAINED AT 840 CELSIUS EVEN WITH POWER REDUCED TO IDLE. THE ENGINE WAS SHUT DOWN, FUEL WAS DUMPED AND THE AIRCRAFT RETURNED TO NRT WITHOUT INCIDENT. MAINTENANCE CHANGED THE ENGINE. EXACT PART CAUSING PROBLEM TO BE DETERMINED.