As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM HKG PASSING THROUGH FL 230, NR 4 ENGINE SURGED WITH EGT GOING TO 940 C, ALL PARAMATERS INDICATED FAILED ENGINE. SECURED ENGINE AS PER EMERGENCY CHECK LIST. ON GROUND INSPECTION FOUND METAL IN TAIL PIPE. ENGINE REPLACED.