Steve H Oconomowoc , WI June 07, 2020 Appliance: Samsung Refrigerator RF265ABWP/XAA-0000 Samsung Refrigerator Rf265abwp/Xaa-0000: The plastic tab at the top of the case broke. How to replace Refrigerator Door Mullion. Followed the video for the center hinge replacement and the just exchanged the new case for the old. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes