As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON APPROACH INTO AIRPORT THE NR 1 HYDRAULIC FLUID QUANTITY WENT TO ZERO. AFTER LANDING AND SHUTDOWN MAINTENANCE DISCOVERED THE NR 1 HYDRAULIC CASE DRAIN RETURN LINE HAD BROKEN AT THE SWAGE JUST BEFORE THE FILTER INSIDE THE AFT EQUIPMENT BAY. ALL THE HYDRAULIC FLUID FROM THE NR 1 SYSTEM WAS LOST.