As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING ROLLOUT, CAPTAINS LT BRAKE PEDAL WOULD GO ALL THE WAY TO THE FLOOR AND GRAB VERY LITTLE. REMOVED FAULTY PILOTS LEFT MASTER CYLINDER AND INSTALLED NEW MASTER CYL IAW MM 32-42-02. BLED BRAKES IAW 32-42-00. OPS CHECK GOOD. PEDALS FEEL NORMAL AT THIS TIME.