Nope, nothing happens, as if the AP is not detecting the change in PoE port. I have replaced the patch cord, just to be sure. Since the AP is already offline, I rebooted the MX and the AP is now back online. I agree with @PhilipDAth, I see it in other remote MX appliances too in the field. I already opened a support ticket and hopefully, they will be convinced it is a hw bug or problem. Thanks to both of you for your responses.
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