As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FL 390, THE NR 3 ENGINE FLAMED-OUT. THE RELIGHT WAS SUCCESSFUL AND THE ENGINE OPERATIONAL WAS NORMAL THE REMAINDER OF THE FLIGHT. THE ENGINE WAS INSPECTED, THE FUEL FILTER WAS REPLACED AND A GROUND RUNUP CONFIRMED PROPER ENGINE OPERATION.