As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING AT BRD, SMOKE STARTED ENTERING THE CABIN. SMOKE STOPPED AFTER SHUTDOWN. ISOLATED THE PROBLEM TO SUPP A/C MOTOR. DEFERRED SUPP A/C PER MEL21-50-2D. MAINTENANCE PROCEDURES C/W. PULLED AND COLLARED CIRCUIT BREAKER, ENTERED INTO DMR.