What was found
(CAN) CREW DISCOVERED THE NLG FWD DOORS SAGGING OPEN ON THE GROUND. UPON VISUAL INSPECTION IT WAS NOTED THAT THE GEAR DOOR HOOKS AND THEIR BRACKET WAS COMPLETELY MISSING. THE BRACKET WAS FATIGUED AND CRACKED OFF AT BOTH ATTACHMENT POINTS. THESE HOOKS KEEP THE DOORS UP WHEN THE AIRCRAFT HAS NO HYDRAULIC PRESSURE. THE GEAR DOORS ARE HELD OPEN OR CLOSED HYDRAULICALLY UNDER NORMAL OPERATION. PICTURES ATTACHED OF FAILED BRACKET REMAINS. (TC# 20190515010)