Incident to the Airbus A321 registered HZ-ASU and operated by Saudi Arabian Airlines on 17/05/2018 en route [Investigation led by AIB / Saudi Arabia]

Preliminary data based on the notification from the Saudi Arabian authorities

Engine #2 type CFM56-5B, S/N 643867 had IFS due to unusual sound followed with high vibration (N1)9.9 units associated with high EGT reading 981 degrees "C", initial inspection showed rejected findings to HPC, HPT, and LPT, LP and HP systems are locked together, further teardown is required to explore root cause