As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, AND AFTER GEAR EXTENSION, NR 1 HYDRAULIC SYSTEM QUANTITY WENT TO ZERO. SYSTEM NR 1 FAILURE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND INBOARD FLAP CONTROL MODULE HYDRAULIC INLET LINE FITTING MOUNT BOLTS (3) SHEARED. REMOVED AND REPLACED FLAP CONTROL MODULE, PRESSURE MODULE FILTERS, EDP & ADP. OPERATION CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE.