hi to all, I withdrew yesterday my macbook, which had the problem at USBC ports, I had to argue a lot with the boy of the Genius bar (what genius ..?) to make me replace the doors. The first guy said that it was a normal thing that wear, to which I am angry saying that from a computer that costs € 3500 (+ 300 Apple care ..) this thing is unacceptable, I also told him that I had read on this community (their ..) of the widespread problem, I also showed him that on the mac exposed the problem is not vrified, and only after having discussed for a long time I managed to make me replace the parts.
Always the Genius (?) He said that he would replace them but the problem would be reified .. It's okay, but I could not even give a simple backup with TM.
In the end they replaced the ports, and also the logic board and the keyboard, perhaps due to the fact that this model of macbook is difficult to repair, and this thing is not good at all, it's okay when Apple Care is active, but the repair invoice, under Apple's charge, is 1097 euros!
the advice I can give you is to demand the repair of the doors, also because the problem is design, and it is them, as I wrote, in the door on the charger, the problem does not arise, and as I pointed out to Genius (?) the number of times I connect the cable to the two sockets (charger and mac) is the same, so it's an obvious design problem ..
satisfied with the repair, but unhappy with how they tried to pretend nothing, if I was not angry and I had mentioned the community, they would not do anything, unacceptable for a brand like Apple, I hope they behave differently, but I did not doubts this way.
I hope I have been helpful
Macbook pro 15 touch bar 2.7 GHz 16 Mb RAM 512 SSD bought in March 2017