Dan F Shippensburg , PA April 23, 2018 Appliance: Samsung Refrigerator RF266AEWP/XAA Samsung Refrigerator Rf266aewp/Xaa / : Ice maker making broken ice chips instead of full cubes. How to replace Refrigerator Ice Cube Tray. Replaced ice cube tray. Part Number: AP4334981. Now makes nice full ice cubes. Thanks to appliance parts pros for forums like this to help troubleshoot problems, and great online videos to show how to repair. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes