What was found
DURING ANNUAL INSPECTION, FOUND THE AILERON TRIM TAB LINKAGE RUBBING ON LEADING EDGE OF AILERON. UPON INVESTIGATION AND CONVERSING WITH MFG TECH, FOUND THE TRIM TAB LINKAGE ARM (PN 451350393) WAS INSTALLED 180 DEGREES OUT, WITH THE SHORT END HOOKED TO THE ACTUATOR LINKAGE, AND THE TRIM TAB LINKAGE ATTACHED TO THE LONG END. LINKAGE ARM WAS REINSTALLED IN PROPER ORIENTATION DISCREPENCY WAS CLEARED.