As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, RT ENGINE VIBRATION REACHED 3.7 UNITS AND DURING CRUISE THE VIBRATION WAS STABILIZED IN 1.5 UNITS. AIRCRAFT WAS SENT TO THE HANGAR AND MX PERSONNEL PERFORMED A TRIM BALANCE IAW MM 71-00-00 TASK 71-00-00-700-847-G01, DETECTING 2 RT ENGINE FAN WEIGHT BALANCE BOLTS LOOSEN AT 24 AND 28 POSITIONS; SO THE BOLTS WERE REPLACED AND TEST NR 14B WAS PERFORMED IAW MM 71-00-00, ALL CORRECT.