As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED THAT DURING FUNCTIONAL CHECKS AT THE GATE THE RUDDER WOULD NOT MAKE FULL TRAVEL ON JUST ONE HYDRAULIC SYSTEM ONE AT A TIME. MAINTENANCE TROUBLESHOT AND FOUND NR 1 PCU ROD END SHEARED OFF. MX REPLACED THE PCU, ADDRESSED THE DAMAGE AND RE-RIGGED THE SYSTEM.