As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FLIGHT CREW OBSERVED A HYDRAULIC LEAK FROM THE NR 2 ENGINE DURING PREFLIGHT WALKAROUND. MAINTENANCE INVESTIGATION RESULTED IN THE REPLACEMENT OF A HYDRAULIC PRESSURE LINE IN THE ENGINE COMPARTMENT. THE LINE HAD A PINHOLE IN A FACTORY WELD.