As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORT: HYDRAULIC SYSTEM NR 2 LOW PRESSURE MESSAGE DURING CRUISE. FOUND HYDRAULIC SYSTEM NR 2 EMPTY OF FLUID. MAINTENANCE FINDING: FOUND FITTING OF FILL LINE LEAKING (REF IPC 29-11-00-5-270). FOUND FITTING ADAPTER WRONG INSTALLED ON FILL LINE. INSTALLED SWAGE ADAPTER. REFILLED HYDRAULIC AND REPLACED UNSERVICEABLE EDP.