As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUE TO A NO TAKEOFF WARNING ILLUMINATING AT 90 KNOTS, THE CREW REJECTED TAKEOFF. MAINTENANCE DISCOVERED A LOOSE PROXIMITY SWITCH AT THE AILERON/SPOILER DISCONNECT HANDLE. ADJUSTED PROXIMITY SWITCH AND PERFORMED OPS CHECK. MAINTENANCE RETURNED AIRCRAFT TO SERVICE.