Ordered replacement igniter.
Pulled appliance unit off from the cabinets to gain access to the back.
Unplugged unit.
Removed back panel via 13 screws using a star screwdriver.
Removed cover allowing access to the igniter wiring.
Inside the oven removed racks and bottom plate giving access to the igniter.
Removed and replaced igniter via 2 screws with taps.
Routed wire to the back of the unit and connected to the controller wiring connector.
Replaced cover.
Replaced back panel with screws.
Reinstalled bottom plate.
Plugged in unit and tested.
Returned unit to the wall/cabinets.
Required about 50 minutes of effort including entering this story.