What was found
AT 16:25 ZULU MOCC MESSAGED US IN FLIGHT ADVISING US THAT HYD #3 QTY SHOWED 5.8 GALLONS. HYD 3 CONTINUED TO LEAK DOWN UNTIL HYD 3 ELEV OFF ILLUMINATED AND THEN HYD 3 LOW QTY ILLUMINATED. FOUND CENTER LANDING GEAR BRAKE R/H UPPER GLAND ASSY HYDRAULIC LINE TO BE BROKEN OFF AT CONNECTING FITTING. REMOVED AND REPLACED DAMAGED LINE WITH A SERVICABLE UNIT IN REF TO AMM 32-44-12-4 , E.A. 1-2902-T0366986 A AND ERS # 22-00625. SERVICED AND BLED #3 HYDRAULICS IN REF TO AMM 12-13-02-2 AND BLED CENTER LANDING GEAR BRAKES IN REF TO AMM 32-43-20-2. RAN ELECTRIC HYD PUMPS WITN NO LEAK NOTED. RAN #3 ENGINE IN REF TO JRH AND NOTED NO LOSS OF HYDRAULIC FLUID. LEAK CHECK GOOD AT THIS TIME. PART# OF HYDRAULIC LINE REMOVED WAS UNKNOWN. PART # INSTALLED : AYK7550-870 PART INSTALLED WAS A TRACKING LEVEL 0