As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT THE LEFT FAN ENGINE VIBE WENT UP TO 4.3 ON THE SCALE ON THE LOWER EICAS, ONCE LEVEL AT 16000 WITH CRUISE THRUST THE FAN VIBE WAS 1.1. PERFORMED VISUAL INSPECTION OF THE LT ENG FAN BLADE, SPINNER AND TURBINE BLADES IAW FIM 71-05 FT 853, NO DEFECTS NOTED.