As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE AUTOMATICLLY DISENGAGED. FLIGHT CREW ELECTED TO REJECT TAKE OFF AT 40 KTS. AIRCRAFT RETURNED TO GATE AND WAS GROUNDED BY MAINTENANCE. MAINTENANCE DEFERRED A/T SYSTEM PER MEL 22-30-1A. MAINTENANCE PROCEDURE C/W, PLACARD INSTALLED. A/C RALM DOWNGRADED TO CAT 1, AIRCRAFT RELEASED BACK IN SERVICE