What was found
ON LANDING, LOST BRAKING ACTION. INVESTIGATION FOUND THE BRAKE PISTON CLEVIS ROD BETWEEN THE BRAKE PEDAL ARM AND THE BRAKE MASTERCYLINDER HAD SHEARED BELOW THE LOCK NUT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON LANDING, LOST BRAKING ACTION. INVESTIGATION FOUND THE BRAKE PISTON CLEVIS ROD BETWEEN THE BRAKE PEDAL ARM AND THE BRAKE MASTERCYLINDER HAD SHEARED BELOW THE LOCK NUT.