Vasil H Mullica Hill , NJ November 28, 2014 Appliance: Model AP5331849 Microwave grill vent fell apart plastic simply disintegrated Bought a replacement grill-vent. When the replacement part arrived I just put it in (less than 30 seconds). Extremely easy and trivial installation. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes