As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING WALK AROUND, MAINTENANCE CREW FOUND AN EVIDENCE OF HYDRAULIC LEAK COMING FROM RT INBD AILERON POWER CONTROL PACKAGE. FURTHER INVESTIGATION SHOWN THAT THE HYDRAULIC WAS COMING FROM THE ACTUATOR. MAINTENANCE CREW DECIDED TO REMOVED THE DEFECTIVE POWER PACK AND FOUND THE ACTUATOR ROD END SHEARED. NOTHING WAS REPORTED FROM LAST FLIGHT WHICH OCCURRED 2 DAYS BEFORE. THE ACFT IS CURRENTLY AOG, PART IS ON ORDER.