As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT HYDRAULIC QUANTITY WAS LOST WHILE ON APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND SEAL LEAKING AT LEFT INBOARD FLAP ACTUATOR. THE LT INBOARD FLAP ACTUATOR CYLINDER WAS REPLACED IAW MM 27-52-02. THE FLAPS AND ALL OTHER FLIGHT CONTROLS WERE OPERATED SEVERAL TIMES WITH NO DEFECTS OR LEAKS NOTED. THE HYDRAULIC SYSTEMS WERE SERVICED.