As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER TWO ENGINE FAILED WHILE CLIMBING THROUGH FL310. *S/D* THE NUMBER 16 POSITION FAN BLADE FAILED AT THE BLADE DOVETAIL, RESULTING IN HIGH ROTOR IMBALANCE AND SECONDARY ENGINE DAMAGE. THE CAUSE OF THE BLADE DAMAGE IS BEING INVESTIGATED AT THIS TIME.