As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING AT BUY, BRAKES FAILED ON BOTH PILOT’S AND FIRST OFFICER’S SIDES, HAD TO USE EMERGENCY BRAKE TO STOP AIRCRAFT. FOUND LOOSE SCREW ON RT SPEED TRANSDUCER AND PINS LOOSE, ALSO FOUND LT SPEED TRANSDUCER VERY HARD TO TURN AND DRIVE CAP BAD. REMOVED AND REPLACED RT SPEED TRANSDUCERS, RH ELECTRICAL CONNECTOR AND LT DRIVE CAP. ALL MAINTENANCE DONE IAW CESSNA 560 MM CHAPTER 32-42-07.