What was found
FLIGHT CREW REPORTED VISUAL FLUID LEAK BEHIND NR 3 ENGINE ON CLIMBOUT FROM TIN. PERFORMED PRECAUTIONARY SHUT DOWN ON ENGINE NR 3 IAW WITH PROCEDURES AND DIVERTED TO ANC FOR MAINTENANCE. FOUND FUEL LEAKAGE INTO PREVIOUSLY DE-ACTIVATED AUXILARY TANK BLADDER DURING REFUELING, DUE TO DEFECTIVE CHECK VALVE. REPLACED CHECK VALVE, LOG PAGE 26636 GMM133 ITEM M14. REPLACED RIGHT AUXILARY FUEL TANK BLADDERS, LOG PAGE 26636 ITEM 1.