As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE FLIGHT CONTROL CHECK PRIOR TO TAKEOFF, THE CREW NOTED THAT THE LT OTBD ROLL SPOILER WAS NOT INDICATING ANY MOVEMENT ON THE PFCS INDICATOR. MAINTENANCE INVESTIGATION FOUND THE LT OTBD ROLL SPOILER ACTUATOR HOUSING FRACTURED AND LEAKING. THE ROLL SPOILER ACTUATOR WAS REPLACED.