As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE TO DFW, THE AIRCRAFT LOST ALL HYDRAULIC PRESSURE. CAPTAIN PUMPED GEAR DOWN USING THE EMERGENCY EXTENSION SYSTEM. AIRCRAFT LANDED AT DFW WITHOUT FURTHER INCIDENT. ON INSPECTION, A CRACKED HYDRAULIC LINE WAS FOUND TO BE THE PROBLEM. THE LINE WAS REPLACED AND THE AIRCRAFT WAS SERVICED WITH HYDRAULIC FLUID AND RETURNED TO SERVICE. (M)