As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER THE FLIGHT CREW DEPARTED MKE ON FLT NR 1053, THE CREW NOTED SEVERE VIBRATION FROM THE NOSE, RETURNED TO MKE. MAINTENANCE CHANGED THE NOSE WHEEL ASSY, AND IT WAS DETERMINED THAT A TIRE FLAT SPOT OUT OF BALANCE CONDITION CAUSED THE VIBRATION. (M)