As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAXI FOR FLIGHT, THE CREW RECEIVED THE NR 1 ISO CAUTION LIGHT, ROLL INBD HYD CAUTION LIGHT RESULTING IN FLUID QUANTITY AT .5. ACFT RETURNED. MAINTENANCE ACTION FOUND THAT THE RT OTBD, SPOILER ACTUATOR LEAKING HEAVILY AND FOUND TO BE CRACKED. THE ACTUATOR WAS REPLACED IAW AMM 27-14-00 AND SUBSEQUENTLY CHECKED SERVICEABLE.