As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF DUE TO AUTO PRESSURIZATION FAILED. MX C/W VISUAL INSPECTION OF THE OUTFLOW VALVE. PERFORMED RINGING OF THE WIRES AND FOUND NO DEFECTS. LOADED THE TEST AND RIGGING FILES. PERFORMED SYSTEM OPS CHECK AND IT PASSED. INSPECTED OUTFLOW VALVE AND CONNECTORS FOR SECURITY, INSPECTED WIRING AND PERFORMED RINGOUTS BETWEEN. IASC NR 1 AND THE OUTFLOW VALVE, OUTLOADED DATA DISK TO MDC, FUNCTIONALLY TESTED, OPS CHECK GOOD AT THIS TIME. COULD NOT DUPLICATE PROBLEM.