As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CO-PILOT SIDE RT BRAKE IS FREE MOVING HALF WAY THROUGH THE BRAKES. WHEN APPLIED IT CAUSES UNEVEN BRAKING. R & R LT & RT CO-PILOTS BRAKE MASTER CYLINDER. PERFORMED BRAKE SYS BLEED, AND OPS, AND LEAK CHECKED SATISFACTORY. ALL WORK DONE IAW MM 32-42-02 AND 32-42-00. RT MASTER CYLINDER PN 9912050-18, SN 1347.