While you wait for answers, we may have found some information which could help you.
Click here for Bulb Cover Removefix oven cover?
Can't get Bosch oven door back on after cleaning?
Removed oven door from Bosch Oven FD 9604 and hinge has shut?
Bosch oven door - HBN331.2B – Hinge Snap?
Hinge snapped shut on Bosch ovenHBA138B150B/05?
Door hinge on Bosch oven ?