rear

I’m looking for replacing a lost piece at the Mavic air rear (as it is on the photo). Does someone know where i can but this piece please ?

After flying indoors today, my Mavic crashed into a wall and (fortunately) landed on a sofa with the camera pointing up, so no damage at all aside from some scuffs and small dents on the blades (by the way, are they still ok to use? from what I've read the Mavic can withstand that). My main...