As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING PRE-FLIGHT, PILOTS NOTICED THAT ROLL SPOILERS WOULD NOT STOW WITH INBOARD, OUTBOARD FAILURE INDICATION AND NO HYDRAULIC FLUID IN NR 2 SYSTEM. INVESTIGATION REVEALED THE HOUSING FOR THE ROLL SPOILER ACTUATOR WAS CRACKED COMPLETELY AROUND ITS CIRCUMFERENCE NEAR WHERE THE TWO HALVES OF THE ACTUATOR BOLT TOGETHER. ONE ATTACHMENT BOLT WAS SHEARED.