Chosen Solution
Pink line down my screen from drop I believe, there is no damage to the screen just internals. With pressure, placd at the UN in the SAMNSUNG name, it goes away til the pressure is gone and it returns.
@guardianactual could be dislodged connector and/or a broken TAB on the LCD itself. You’ll have to disassemble it and check the connector first, make sure it is properly seated. If it is, you will most likely have to replace the LCD itself. Check this teardown to see how you get into your phone.
https://youtu.be/Ed2VvM7uEIE Try this method, work for me :)