Volker S Blaine , WA January 25, 2019 Appliance: Samsung Refrigerator RF221NCTASR/AA-0001 Samsung Refrigerator Rf221nctasr/Aa-0001: The middle slide track for the drawers was broken. How to replace Refrigerator Crisper Drawer Shelf Cover Assembly. The middle track is a part of the main mold for this shelf. We needed to replace the whole shelf to get that fixed. It is a simple remove and replace. My wife did actually complete the repair before I got home. Pretty straight forward. No tools required. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes