As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RIGHT HYDRAULIC QUANTITY WAS NOTED TO HAVE DECREASED TO 0.14. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE HYDRAULIC PRESSURE LINE TO THE LEFT OUTBOARD AILERON ACTUATOR IAW 767 MM 27-11-73.