As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT DURING TAKEOFF THERE WAS SMOKE IN THE CABIN AND COCKPIT. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT-HAND ENGINE. ALL LEAK CHECKS AND OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.