Don F League City , TX July 29, 2021 Appliance: Frigidaire Refrigerator LFHB2751TF5 Frigidaire Refrigerator Lfhb2751tf5: Mullion hinges broken and found mullion magnets were not working after installing hinges. How to replace Flipper Mullion Assembly. Started with replacing hinges. Had to glue the door hinge to refrigerator and secured with two small screws. This refrigerator is in a business with about 50 employees. Suspect minion was not working for some time causing the hinges to get broken. . 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes