As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, CREW ADVISED THAT THE RIGHT PACK FAILED AND REPORTED SMOKE IN THE CABIN. AIRCRAFT RETURNED TO THE GATE AND DEBOARDED. ATL, MAINTENANCE REMOVED AND REPLACED THE RIGHT PACK GROUND COOLING FAN. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)