As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST BEFORE LANDING, ROLL CONTROL SYSTEM DISCONNECTED. INSPECTED DISCONNECT, ROLLED AILERONS SEVERAL TIMES, INSPECTED VISUALLY AILERON CONTROL CABLES. COULD NOT DUPLICATE PROBLEM ON GROUND. PERFORMED EVALUATION FLIGHT WITH SATISFACTORY RESULTS.