Sandra E Caledonia , WI April 23, 2016 Appliance: Samsung Refrigerator RB1855SW/XAA Samsung Refrigerator Rb1855sw/Xaa / : Broken drawer rail crack on middle door guard. How to replace Refrigerator Interior Door Rail. Removed shelf, removed screw holding rail(s) in place. Removed broken plastic piece, replaced both rails. Door guard lifts up and out, dropped new one into place. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes