As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI-OUT ATL-AVL, EXPERIENCED RIGHT PACK FAILURE CAUSING SMOKE IN THE CABIN. AIRCRAFT RETURNED TO THE GATE AND DEBOARDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED THE RIGHT GROUND COOLING FAN. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)