As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST NR 1 HYDRAULIC SYSTEM QUANTITY ON APPROACH. FOUND HOLE ON NR 1 AIR DRIVEN HYDRAULIC PUMP PRESSURE LINE REPLACED LINE AND LEAK CHECKED PRE BOEING M/M 29-11-00. DEACTIVATED NR 1 ENGINE DRIVEN PUMP PER MEL 29-1 DUE TO PUMP OPERATED WITH SUPPLY TO OFF POSITION.