What was found
AFTER LANDING, BRAKE PEDALS LOST PRESSURE AND THE AIRCRAFT LOST BRAKING EFFECTIVENESS AT 50KIAS, REGAINED AGAIN AT A LOWER SPEED, THEN LOST AGAIN DURING TAXI.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER LANDING, BRAKE PEDALS LOST PRESSURE AND THE AIRCRAFT LOST BRAKING EFFECTIVENESS AT 50KIAS, REGAINED AGAIN AT A LOWER SPEED, THEN LOST AGAIN DURING TAXI.