As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, AT FL330, NR 2 ENGINE FLAMED OUT. FLIGHT CREW DECLARED AN EMERGENCY, DUMPED 30,000 POUNDS OF FUEL AND RETURNED TO NRT. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND METAL CONTAMINATION IN THE OIL FILTER AND ON THE CHIP DETECTORS. REMOVED AND REPLACED THE NR 2 ENGINE, TESTED AND RETURNED TO SERVICE.