As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CONTROL WHEEL COMPLETELY BROKE BETWEEN THE OUTER GRIP AND THE HUB. PILOT REPORTED THE BROKEN PART TO THE FLIGHT SCHOOL AFTER FLYING AT THE AIRFIELD ON A DAY WITH HIGH CROSS-WINDS. THE BROKEN CONTROL WHEEL WAS REPLACED WITH A SERVICEABLE PART.