As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4444 SHORTLY AFTER TAKEOFF THE CREW REPORTED THE COCKPIT STARTED TO FILL WITH SMOKE. THE FLIGHT ATTENDANT ALSO OBSERVED SMOKE IN THE CABIN. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 ENGINE IAW MTX WORK CARD 71-00-00. THE OPERATIONAL AND LEAK CHECKS WERE GOOD.