Lawrence M Manassas , VA November 17, 2019 Appliance: Samsung Refrigerator RF263AEWP/XAA-00 Samsung Refrigerator Rf263aewp/Xaa-00: Broken french door flap string. How to replace Refrigerator Flapper Door Cover Assembly With Mullion Heater. The part is a direct replacement. Two screws and a connector and the replacement is complete. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes