As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE NR 2 SYSTEM HYDRAULIC PRESSURE LINE BECAME UN-SWAGED AT OUTBOARD END CAUSING COMPLETE DRAINAGE OF NR 1 HYDRAULIC SYSTEM. THIS OCCURRED IN-FLIGHT. FURTHER INVESTIGATION REVEALED IMPROPER SWAGING. TUBE WAS INSTALLED APPROXIMATELY 1 WEEK PRIOR TO INCIDENT. (X)