As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. ON TAKEOFF ROLL FLIGHT CREW GOT AN AVIONICS VENT SYS FAULT AT ABOUT 60 KNOTS. ACCOMPLISHED A REJECTED TAKEOFF. THE ACFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. PERFORMED TSM 21-26-00-810-826A & THE SYS OPERATED NORMAL, FAULT CLEARED.