Based upon what information your shared (including the pic), if the drone flies without any additional problems, I'd say nothing to be concerned about.
Yep... I agree.....If it still flys fine then you should be just fine, fold the arm slowly and check for resistance ( a little is fine).
It may be tempting to loosen a screw to press the plastic back in place. If the Drone is under warranty don't...
I wanted to get a sanity check from the more knowledgeable people here. Was flying around some trees today and had a collision, broke a prop and hit the ground from about 20 feet up. When replacing the propeller, I noticed the top cover was...