What was found
(AUS) DURING CONTROL CHECKS AILERONS FELT STRANGE WHEN MOVED IN LT DIRECTION. INVESTIGATION FOUND THE RT AILERON HAD SUFFERED INTERFERENCE DAMAGE WITH THE WING LOWER TRAILING EDGE CAUSING THE AILERON SKIN TO BIND WITH THE WING SKIN AND JAM. FURTHER INVESTIGATION FOUND EVIDENCE OF A FOREIGN OBJECT COMING INTO CONTACT WITH THE WING/AILERON SKIN (WITNESS MARKS) AT THE INBOARD EDGE OF THE AILERON AND THE WING LOWER TRAILING EDGE AT THE SAME LOCATION.(OTHER CAUSE: FOREIGN OBJECT DAMAGE ) (CASA NR 510001957)