As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE PILOT NOTICED THE AILERON CONTROL WAS PULLING TO THE RT. ACFT RETURNED TO BASE WITHOUT INCIDENT. UPON INSP OF AILERON CONTROL SYS THE UPPER AILERON/RUDDER INTERCONNECT SPRING PN 35-5524664 WAS FOUND BROKEN AT THE BELLCRANK ARM, PN 002-524018-25 END. PROBABLE CAUSE FOR THIS FAILURE IS TIME IN SERVICE.