As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE NR 1 HYD ISO LIGHT ILLUMINATED DURING TAXI WITH ASSOCIATED LOSS OF NORMAL BRAKES AND LOSS OF NR 1 HYDRAULIC SYSTEM SERVICES DUE LOSS OF FLUID. THE LT INBOARD ROLL SPOILER ACTUATOR WAS FOUND LEAKING DUE TO A FRACTURE OF THE HOUSING. THE ACTUATOR WAS REPLACED AND HYDRAULIC SYSTEM SERVICED. THE AIRCRAFT WAS RELEASED TO SERVICE.