As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER TWO ENGINE HAD MAJOR VIBRATION. LANDED UNDER AMBER ALERT WITH EMERGENCY EQUIPMENT. *S/D* NUMBER TWO ENGINE WAS OUT OF BALANCE. ACCOMPLISHED A TRIM BALANCE. INITIAL OUT OF BALANCE CONDITION WAS, FAN 6 MILS AND TURBINE 3 MILS. AFTER TRIM, FAN .5 MILS AND TURBINE 1 MIL.