As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKES SPONGY ON TAXI AND PULL TO THE RIGHT FROM CO-PILOTS SIDE. PERFORMED ANTI-SKID SYSTEM BLEEDING PROCEDURE 3 TIMES PEDALS ARE FIRM AND EVEN DURING TAXI FROM BOTH PILOTS AND COPILOTS POSITIONS. OPS CHECK GOOD IAW CESSNA 560 M/M 32-42-00.