As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) HYDRAULIC SHUTOFF VALVE AND MOTOR ASSEMBLY IS USED AS A FUSE FOR "A" SYSTEM RUDDER SYSTEM. FOR UNKNOWN REASON MOTOR HAS BEEN SPLIT FROM THE VALVE, CAUSING HYDRAULIC LEAK AND LOSS OF "A" SYSTEM FLUID. HAPPENED ON LANDING. REPLACED.