As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DEPARTING, THE NR2 ENGINE PERAMETERS BECAME ERRATIC ASSOCIATED WITH A LOUD REPORT, BELIEVED TO BE A COMPRESSOR STALL. THE AIRCRAFT LANDED WITHOUT INCIDENT AT POINT OF DEPARTURE. MAINTENANCE FOUND THE NR2 ENGINE TO HAVE SUFFERED SEVERE INTERNAL DAMAGE TO THE TURBINE SECTION.