As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS UNCOMMANDED YAW DAMPER KICK ON TAKEOFF AT V-1. *S/D* AIRCRAFT SYSTEMS WERE TESTED AND FUEL LOAD CHECKED. COULD NOT FIND ANYTHING THAT FAILED. YAW DAMPER COUPLER WAS REPLACED PRECAUTIONARY. SHOP COULD NOT FIND ANYTHING WRONG.