As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAINS RT BRAKE PEDAL MUSHY. WHEN APPLYING PRESSURE, IF PRESS IS REDUCED AT ALL RT PEDAL DROPS APPROX 1". PUMPING BRAKE 2-3 TIMES BRINGS PEDAL TO NORMAL. PEDAL DROP OCCURS MAINLY WHEN PRESSURE IS REDUCED SLIGHTLY. OTHERWISE BRAKING IS NORMAL. REMOVED AND REPLACED PILOTS RT WHEEL BRAKE MASTER CYLINDER WITH A OVERHAULED MASTER CYLINDER RECEIVED FROM SAF INDUSTRIES CRS NR GK0R519Y. BLED BRAKES AND SUCCESSFULLY OP'S CHECKED. REF MODEL 560 M/M 32-42-00.