What was found
DURING CLIMB AND ABOVE 350 KNOTS, ENCOUNTERED VIBRATION IN CONTROL COLUMN. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED LEFT ELEVATOR TRAILING EDGE AND BALANCED ELEVATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB AND ABOVE 350 KNOTS, ENCOUNTERED VIBRATION IN CONTROL COLUMN. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED LEFT ELEVATOR TRAILING EDGE AND BALANCED ELEVATOR.