What was found
ENGINE 1 VIBRATION HIGH ALERT DISPLAYED ON TAKEOFF, ABORTED TAKEOFF AT 15 KNOTS. INSPECTED NR 1 ENGINE IAW FIM 77-32-01 FOUND FAN BLADES SHINGLED, FREED BLADES, NO DAMAGE NOTED, LUBED FAN SHROUDS AND ROOTS. OPS CHECKED GOOD ON GROUND RUN.