As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN SMOKE: ON LANDING ROLL AND SHORTLY AFTER APPLYING THE BRAKES, SMOKE BECAME PRESENT IN BOTH CABIN AND COCKPIT. SMOKE/FIRE/FUME QRC WAS ACCOMPLISHED. PRESS SOURCE WAS TURNED OFF AND SMOKE BEGAN TO DISSIPATE. REMOVED AND REPLACED APU REF 680A MM 49-10-00. (SEE SQUAWK 4). OPS AND LEAK CHECKS GOOD. NO SMOKE/HAZE/ODOR NOTED DURING ENG OR APU RUNS WITH BLEED AIR ON.