As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LOADING PASSENGERS, AIRCRAFT STARTED TO TAXI. WHILE ON RUNWAY, PILOT HAD A FAILED BRAKE ON RT SIDE FOLLOWED BY A FAILURE ON THE LT SIDE. AIRCRAFT WAS PUSHED TO TAXIWAY. PASSENGERS HAD STEPPED ON BRAKELINES DURING BOARDING AND BROKEN THEM OFF. BRAKE LINES RE-FLARED AND AIRCRAFT RETURNED TO SERVICE. (X)