As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COPILOT'S BRAKES TEND TO REQUIRE MORE THAN NORMAL PRESSURE FOR EVEN BRAKING. TROUBLESHOT BRAKE SYSTEM. FOUND CO-PILOT'S BRAKES (BOTH PEDALS) FIRM. SERVICED BRAKE RESERVOIR TO FULL AND BLED BOTH LT AND RT BRAKE SYSTEM AS REQUIRED. CO-PILOTS BRAKES OPS NML NOW. RESERVICED BRAKE RESERVOIR SYSTEM TO FULL. ALL WORK PERFORMED IAW CE-560 AMM 32-42-00.