As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FIRST TAKEOFF ATTEMPT, A-SIDE YD DISENGAGED AT 50 KTS ON SECOND ATTEMPT FGC A-FAILED CYCLED TO -B- MOMENTARILY THEN BACK TO -A- AS TAKEOFF WAS ABORTED AT 50 KTS. PERFORMED FUNCTIONAL TEST OF UPPER RUDDER. RE-SEATED CONNECTOR ON BOTH YSAC COMPUTERS. SYSTEM OPS CHECKS NORMALLY IAW CE 750 M/M 27-24-01.