As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING AT PORTLAND (PDX), THE BRAKES WERE GRABBING AND PULSING THE BRAKE PEDALS. ON POST-FLIGHT FOUND NR 3 BRAKE PAD BROKEN INTO PIECES AND JAMMED IN WHEEL ASSEMBLY. GENERATED BY PILOT REPORT. REMOVED AND REPLACED NR 3 BRAKE ASSEMBLY. OPS CHECK GOOD IAW 32-41-32. (X)