As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING, THE FLIGHT CREW STARTED THE APU WHILE TAXING TO THE GATE. SMOKE ODOR STARTED TO FILL THE PASSENGER CABIN. CREW SHUTDOWN THE APU AND THE SMOKE ODOR DISSIPATED. FOUND A HYDRAULIC LINE AT THE ANTI-SKID RETURN SOV LEAKING IN LEFT WHEEL WELL. SECURED THE LINE. PERFORMED MINI DUCT BURNOUT AND REPLACED COALESCER BAGS.