Phantom 4 stress crack

[Kman]

Here is a link to a question I had posted on the DJI site. P4 is this a crack?

I couldn't get a good look at your picture to see the concern. Try shining a flashlight under the arm like I did to get a potentially clearer view.


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Great point. Here is a pic both front arms. Looks like both are cracking. Rear arms don't have any cracks.

 

[jogforfitness]

I'm no expert but, if you read the above threads and such the belief is that this is a mold mark and not a crack. If you read the link I attached above the opinion of the DJI id from the DJI forum is that this is fine. I'm just repeating information. I have the same mold markings on my P4 on the front 2 arms. One marking goes to the left and the other to the right. I don't like it but, it is what it is. I continue to keep and eye on it after each flight.


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[TheLightSpeedz]

We should just take it apart and find out. Everyone is speculating and EVERY P4 I've seen has this same line


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[scatmanr1]

I just looked and have the same marks, same way, on front arms. Looking at this I believe it is a molding and not a crack but will watch it. Also, the rear would most likely crack before the front, the two motors in the back do work just a little harder on forward flights


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