As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL, THE RIGHT PACK TRIPPED OFF LINE WITH CABIN CREW REPORTING SMOKE IN CABIN. TAKEOFF WAS ABORTED WITHOUT INCIDENT. REPLACED CABIN TEMPERATURE CONTROLLER AND PERFORMED OPERATIONAL CHECK OF THE HEATING AND COOLING SYSTEM WITH ALL THREE ENGINES RUNNING. NO SMOKE NOTED AND ALL SYSTEMS WERE NORMAL.