As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TAXING OUT AND APPLYING THE BRAKES THE AMBER "BRAKE 50% DEGRADED" CAS MESSAGE DISPLAYED EVERY TIME WE APPLIED THE BRAKES. IT WOULD DISAPPEAR WHEN BRAKES WERE RELEASED. ALL BRAKE PAD PINS ARE STICKING OUT PLENTY. CORRECTIVE ACTION: REPLACED AFT BRAKE CONTROL VALVE REF CESSNA 700 AMM 32-41-35. OPS CHECK GOOD