As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 3079 - CREW REPORTED THAT THE COCKPIT AND CABIN FILLED WITH SMOKE DURING TAXI OUT, AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED A BLOWN HOSE AND CLEANED OIL FROM THE RIGHT ACM. OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY IAW EMB-120 MM 21-50-00. AIRCRAFT RELEASED FOR SERVICE. (M)