What was found
MQT - DURING (IMBV) INTERMEDIATE MAIN BASE VISIT, MAINTENANCE FOUND THE LEFT AILERON TRIM TAB ACTUATOR LINK ASSEMBLY CORRODED. THE LINK ASSEMBLY WAS R&R IAW J1C 271172 - RAI - 10000-002. AILERON SYSTEM FUNCTIONALLY TESTED GOOD IAW JIC 271000-FUT-10000. AIRCRAFT WAS RETURNED TO SERVICE. PART TOTAL CYCLES, 15,290. (X)