As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT, NO. 3 ENGINE STARTED TO SURGE AND THE SURGING ACCOMPANIED BY FLUCTUATION IN ENGINES PARAMETERS. THE CREW ALSO FELT VIBRATION AND ELECTED TO DIVERT AND LANDED UNEVENTFULLY. AFTER TROUBLESHOOTING AND DATA REVIEW, THE ENGINE WILL BE REMOVE DUE TO T4.5 EXCEEDANCES. (TC# 20190731004)