As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, NOTED LEFT CONTROL WHEEL LOOSE ON SHAFT. IT APPEARS THE RETAINING PIN BECAME LOOSE ALLOWING THE CONTROL WHEEL TO MOVE ON THE SHAFT WHICH PROGRESSIVELY ENLARGED THE HOLE IN THE CONTROL WHEEL WHERE THE SHAFT IS INSERTED.