As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC BEGAN SHAKING AT 40 KTS ON TAKEOFF. YAW DAMPER CAME OFF LINE AND TAKE OFF ABORTED AT 70 KNOTS. GAINED ACCESS TO NOSE LANDING GEAR ELASTOMER (ACTUATOR AREA). REMOVED OLD ELASTOMERS AND INSTALLED NEW ELASTOMERS AND HARDWARE. PLACED AC ON JACKS, CYCLED LANDING GEARS SEVERAL TIMES. OPS CHECKED GOOD. DOWNJACK AC. WORK DONE IAW CH 32-30-03 OF THE MM.