Syd H Elmsford , NY June 27, 2020 Appliance: General Electric Free Standing Microwave JVM1870SF02 Ge Microwave Jvm1870sf02: Grille sub assembly broken. How to replace Microwave Tapping Screw. Simple part replacement, as ordered from your company. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes