As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT RETURNED TO FIELD AFTER THE NR 1 HYDRAULIC SYSTEM FAILED. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE FLEX LINE FROM THE ANTI SKID VALVE TO THE PRESSURE MANIFOLD. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.