As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE BRAKES FEEL VERY HARD ON LANDING. CONSTANT PRESSURE FELT THEN GRADUAL SOFT PRESSURE (DIFFERENT FROM ANTI-SKID RELEASE) HIGH SPEED TEST: SOFTER W/ANTI-SKID OFF. CHECK ANTI-SKID BITE INDICATORS, NO FAULTS. REPLACED BOTH ANTI-SKID TRANDUCERS. REPLACED BOTH HUBCAPS, INSPECTED WIRING FOR BOTH TRANSDUCERS BOTH GOOD. ALL WORK IAW CESSNA 560 MM 32-42-01.