I had stress fractures in two of my rear arms. I used epoxy to seal up the tiny cracks and have not had any more cracking. Sunday, after 210 successful flights with no issues otherwise the P3 dropped out of the sky from about 200ft. Its like the thing lost power. The flight was only 1 minute long. You can see it here: HealthyDrones.com - Innovative flight data analysis that matters I need to send this back to DJI but I'm worried about the epoxy. What do you guys think? I think I can use my dremmel to get view of the screw heads but I don't think I can get it all out.