What was found
(CAN) AFTER PUSH BACK IN YVR, FOR FLIGHT 220, AFTER ENGINE START, CREW WAS UNABLE TO SET PARKING BRAKE. MTCE REPLACED THE PARKING BRAKE VALVE PER AMM 32-45-51-401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AFTER PUSH BACK IN YVR, FOR FLIGHT 220, AFTER ENGINE START, CREW WAS UNABLE TO SET PARKING BRAKE. MTCE REPLACED THE PARKING BRAKE VALVE PER AMM 32-45-51-401.