As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER APPLICATION OF TAKEOFF POWER, THE CREW EXPERIENCED BOTH, AUTO PACK TRIP, AND ASSOCIATED, ENGINE FAIL, WARNING LIGHTS. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE RAMP WHERE THE WARNING SYSTEMS WERE DEFERRED. MAINTENANCE REPLACED THE NR 3 ENGINE AUTO PACK TRIP PRESSURE SWITCH AND THE ACFT RETURNED TO SERVICE.