Robert L Cleveland , TX August 04, 2018 Appliance: General Electric Free Standing Microwave JVM1790WK01 Ge Microwave Jvm1790wk01: Arcing in microwave. How to replace Rack Holder (Rack Support). Replaced damaged rack and plastic holders. After thorough cleaning, it's good as new. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes