As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKEOFF WITH BLEEDS ON HIGH & TEMP CONTROLLER IN AUTO POSITION, THE CABIN BEGAN TO FILL WITH SMOKE. ACFT RETURNED TO BASE & MX COMPLETED NUMEROUS GND RUNS & NO SMOKE IN CABIN. TEST FLIGHT WAS COMPLETED & NO SMOKE IN CABIN. ACFT RELEASED TO SERVICE & NO FURTHER INCIDENTS REPORTED.