As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT RETURNED TO STATION AFTER TAKE OFF DUE TO NR 3 ENGINE HIGH VIBRATION ( 2.5 UNITS ) DURING CLIMB. ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO THE STATION WITH NO FURTHER PROBLEM.RECTIFICATION: THE COMPLETE SET OF FAN BLADES WAS REPLACED AND AFTER VERIFICATION, THE AIRCRAFT WAS RETURNED TO SERVICE.