As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - FLT 7435 - 'SMOKE LAV' CAUTION APPEARED WHILE TAXIING. F/A REPORTED SMOKE IN CABIN. INSPECTED LAV TRASH CAN FOR SMOKE/FIRE. NONE NOTED. SUBMITTER SUSPECTED LEFT PACK OVERHEATED. RAN AIRCRAFT WITH BOTH PACKS. NORMAL OPERATION OF HP FANS. NO DEFECTS NOTED. (X)