As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW OBSERVED PTU CNTRL FAIL ON HYDRAULIC CONTROL PANEL FOLLOWED BY DECREASE IN NR 2 HYDRAULIC FLUID QUANTITY. ALTERNATE EXTENSION WAS COMPLETED. MAINTENANCE PERSONNEL FOUND A FRACTURED HYDRAULIC LINE FOR THE PTU PRESSURE TRANSDUCER.