What was found
PDX - RIGHT AFTER INITIAL BREAK APPLICATION DURING LANDING THERE WAS A SEVERE SHAKING FOLLOWED BY A WOW INPUT CAUTION MESSAGE AND A PROX SYS FAULT 1 STATUS MESSAGE, BRAKE TEMP AFTER PARKING WERE 1-4, 2-4,3-1, 4-1 THE TOWER REPORTED SEEING SMOKE EMANATING FROM THE RIGHT MAIN WHEEL AREA. PERFORMED EXTENSIVE GEAR INSPECTION AND AIRFRAME INSPECTION, REMOVED AND REPLACED LOWER PISTON/AXLE ASSY, UPPER AND LOWER TQ LINKS, NR 3 AND NR 4 BRAKED AND TIRES AND SHIMMY DAMPER, REFERENCE REO 670-32-11-320 FOR DISPOSITION AND APPROVAL OF RETURN TO SERVICE, ALL FUNCTIONAL CHECKS GOOD.