As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL370, THE CREW REPORTED NR 4 ENGINE FLAMED OUT. THE ENGINE WAS SECURED PER THE COM, AND NO RESTART WAS ATTEMPTED. THE FLIGHT DIVERTED TO LAS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND METAL DEBRIS IN THE ENGINE FUEL FILTER. THE FUEL CONTROL UNIT AND FUEL PUMP WERE CHANGED. THE SUBSEQUENT ENGINE RUN WAS NORMAL.