What was found
EN ROUTE ATL-MKE THE LEFT ENGINE VIBRATION INDICATION REACHED 1.8 AMBER, REDUCED THRUST TO INDICATE GREEN. CREW DIVERTED TO MKE AND LANDED WITHOUT INCIDENT. REPLACED ALL FAN BLADES ON THE LEFT ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EN ROUTE ATL-MKE THE LEFT ENGINE VIBRATION INDICATION REACHED 1.8 AMBER, REDUCED THRUST TO INDICATE GREEN. CREW DIVERTED TO MKE AND LANDED WITHOUT INCIDENT. REPLACED ALL FAN BLADES ON THE LEFT ENGINE.