As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL AT 70 KNOTS, OBSERVVED N2 ENGINE VIBE 'ICON' ON NR 1 ENGINE BTMS. ALL GREEN BANDS ON ABORTED TAKEOFF. PERFORMED PARTIAL ENGINE BORESCOPE. NO DAMAGE NOTED. REMOVED AND REPLACED NR 1 ENGINE ACCELEROMETER. NO DEFECTS NOTED. (M)