What was found
ON TAKEOFF, ACCELERATING THROUGH 70 KIAS AIRCRAFT VIBRATION OCCURRED THAT WAS SEVERE ENOUGH TO CAUSE DU1, DU2, AND DU3 TO MOMENTARILY BLANK. DU'S BACK ON LINE AFTER REJECTED TAKEOFF. REPLACED BOTH NOSE WHEEL ASSY IAW CE 750 M/M CHAP 32-41. NO DEFECTS NOTED, LT WHEEL ASSY P/N 3-1538-1, S/N OFF 0101, S/N ON 0243, RT WHEEL ASSY P/N 3-1538-1, S/N OFF 0428, S/N ON 0510.