As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF HAD SUDDEN LOSS OF B-HYDRAULIC SYSTEM. RETURNED TO DEN. FOUND B-SYSTEM HYDRAULIC RETURN LINE LEAKING. ALSO, FOUND FLEX LINE ON RIGHT SIDE OF ELEVATOR PCU LEAKING. REPLACED BOTH LINES. ALSO, REPLACED BOTH NR 1 AND NR 2 MOTOR DRIVEN HYDRAULIC PUMPS AND CASE DRAIN FILTERS.