As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TURNING OUT OF PARKING SPOT TO REPOSITION AIRCRAFT, PILOT REPORTED RT BRAKE PEDAL WENT TO FLOOR AND BRAKING ACTION WENT TO ZERO ON RT SIDE. PILOT SHUT DOWN AIRCRAFT AND SAW THAT RT BRAKE CYLINDER HAD STARTED LEAKING BRAKE FLUID. MAINTENANCE WAS NOTIFIED. REPLACED BRAKE CYLINDER. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (X)