Meho M Essex Junction , VT April 20, 2015 Appliance: Kenmore Microwave Hood Combo 66568681991 Kenmore Microwave 66568681991: Frame dore; grill vent brocken/ damadged. How to replace Door Frame. Ordered new Parts by A.P. com (3-5 days shipping) Replace old parts and cleaned area. (15-30 min.) Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes