As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM ORD TO JFK NR 2 ENGINE N1 VIBE. ACFT IN ICING CONDITIONS. FOLLOWED QRH FOR ICING BUT VIBE CONTINUED TO CLIMB, PERFORMED IFSD OF NR 2 ENGINE. EMERGENCY DECLARED, ACFT DIVERTED TO FWA LANDED SAFELY. REMOVED AND REPLACED 3 SETS OF DAMAGED FAN BLADES. VIBE AND OPS CHECKS GOOD.