As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, C HYD FLUID QUANTITY DECREASED TO .47. FOUND PACKING ON PRESSURE RELIEF VALVE OF ADP FILTER MODULE LEAKING. REPLACED PACKING ON RELIEF VALVE PER TASK 29-11-19-004-001. LEAK CK'S OK. SERVICED CENTER HYD SYSTEM TO FULL.