As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 3043 - THE CREW REPORTED THAT DURING TAXI OUT SMOKE FILLED THE CABIN. AIRCRAFT RETURNED TO GHE GATE. MAINTENANCE INSPECTED THE AIRCRAFT AND THEN RELEASED IT IAW MEL 21-50-2 CAT C NR 19880. THE AIRCARFT WAS OPERATIONAL CHECKED LATER IN THE SAME DAY WITHOUT ANY DISCREPANCIES BEING FOUND, AND WAS RELEASED FOR SERVICE AND FROM THE MEL. (M)