Chosen Solution
I think this video is self -explanatory. Any idea?
You have a damaged LCD panel. There are a set of fragile connections from the LCD to the T-CON board which have been damaged. So as you move the display you are allowing the connections to make and break. Here’s the needed part: MacBook Air 13" (Mid 2013-2017) Display Assembly and here’s the guide to put it in MacBook Air 13" Mid 2013 Display Assembly Replacement
