What was found
RETURNED TO GATE AT ORD WITH SMOKE IN CABIN. *S/D* THE RIGHT PACK OVERHEATED DUE TO NO COOLING ON THE GROUND. RESET CIRCUIT BREAKER AND COOLING FAN CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO GATE AT ORD WITH SMOKE IN CABIN. *S/D* THE RIGHT PACK OVERHEATED DUE TO NO COOLING ON THE GROUND. RESET CIRCUIT BREAKER AND COOLING FAN CHECKED OK.