As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT LANDED UNDER AMBER ALERT DUE TO THE LOSS OF THE 'B' HYDRAULIC SYSTEM. NORMAL LANDING AND TAXI. AFTER ARRIVAL AT GATE, MAINTENANCE TECHNICANS FOUND THE B HYDRAULIC SYSTEM ACOUSTIC FILTER ASSEMBLY LEAKING. THE EMDP CASE DRAIN FILTER WAS INSPECTED BUT NO METALIC PARTICLES WERE FOUND. THE ACCOUSTIC FILTER ASSEMBLY WAS REPLACED AND AN EXTERNAL LEAK CHECK WAS PERFORMED.