What was found
TAKEOFF ABORTED AT APPROX. 65 KTS DUE TO SEVERE NOSE WHEEL SHEEL SHIMMY. LOWER YAW DAMPENER AMBER CAS MESAGE ILLUMINATED, BUT DID RESET. TAKEOFF ROLL WAS NORMAL UNTIL THE ABORT. REPLACED BOTH NOSE WHEEL ASSY'S IAW MM 32-41-07, INSPECTED NOSE STRUT ASSY AND ATTACHING HARDWARE FOR SECURITY AND INSTALLED SAFETYS, NO DEFECTS NOTED, NR2 NOSE PN ON 3-1538-1 SN ON 1041 PN OFF 3-1538-1 SN OFF 0160.