As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS, PILOT IN COMMAND'S SIDE RIGHT BRAKE PEDAL GOES COMPLETELY TO FLOOR. NO RIGHT BRAKE DIRECTIONAL CONTROL. THE RT PILOT BRAKE MASTER CYLINDER P/N 959.47.51.132 WAS FOUND FAULTY. IT WAS REMOVED AND REPLACED IAW THE AMM 12-B-32-40-04-00A-920A-A. OPS CHECK GOOD AND NO LEAKS NOTED.