As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING ROLL-OUT BRAKING, THE LEFT BRAKE PEDAL WENT MOST OF ITS TRAVEL WITH LITTLE BRAKING EFFECT. IT WAS DISCOVERED THE LEFT BRAKE TORQUE PLATE WAS CRACKED AND OPENED UP SO CALIPER THE GUIDE PIN WAS NOT RETAINED IN THE TORQUE PLATE. TORQUE PLATE P/N 075-15500 WAS REPLACED.