Robert F Lancaster , CA January 22, 2022 Appliance: General Electric Free Standing Microwave SCA1001KSS01 Ge Microwave Sca1001kss01: Wave guide cover. How to replace Wave Guide - Mica Cover. One screw, part came off. The same screw, part went on. Dummy proof!!! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes