Kim N Graniteville , SC March 27, 2020 Appliance: Maytag Microwave Hood Combo MMV4203WS1 Maytag Microwave Mmv4203ws1 / : Broken grill vent where the screws attach to the microwave body. How to replace Charcoal Filter. Swapped out with a new grill vent. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes