Joseph R Iowa City , IA January 07, 2019 Appliance: KitchenAid 30`` Built-In Electric Double Oven Convection KEBS207BSS00 Kitchenaid Oven Kebs207bss00 / : Dropped a glass jar on the oven door while it was open. How to replace Oven Lower Front Vent. Removed the 4 screws holding the glass retaining bracket, removed the broken glass cleaned all the glass and debris then replaced with the newly purchased oven door glass re-installed the bracket and 4 screws. Simple project Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes