What was found
CREW REPORTS ON FLT CONTROL CHECK FOR AILERON, THE CONTROL WHEELS (CAPTS AND FO'S) FEEL AN UNUSUAL HARD SPOT AT ABOUT THREE-QUARTERS TRAVEL LT WING DOWN. LT AIL LCCA UPR & LWR TORQUE TUBE SUPPORT BEARINGS (3EA) FOUND WORN & CORRODED AT LWR LINK ARM FOR FEEL, CENTERING & TRIM MECHANISM INPUT ROD ATTACH. REPLACED TORQUE TUBE WITH NEW ASSY. VERIFIED ADJUSTMENT THEN OPS CKD. NO RIGGING DISTURBED AND NO BINDING PRESENT.