As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE, FLIGHT CREW NOTICED THAT THE HYD NR 2 SYS OIL LEVEL WAS SLOWLY DROPPING. UPON ARRIVAL, MAINTENANCE FOUND THE RT OTBD ROLL SPOILER ACTUATOR CASING FRACTURED. THE ACTUATOR WAS REPLACED, TESTED AND THE ACFT RELEASED FOR SERVICE.