As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 3 HYDRAULIC SYSTEM QUANTITY DROPPED UPON GEAR EXTENSION FOR LANDING AT HKG. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 3 HYDRAULIC SYSTEM FOUR GALLONS LOW. THE RT MLG PITCH DAMPER WAS FOUND LEAKING. THE RT MLG PITCH DAMPER WAS REPLACED. THE NR 3 HYDRAULIC SYSTEM WAS SERVICED AND LEAK CHECK WAS GOOD.