If I understood, you have 2 instances. In one of them, phpMyAdmin was removed, and the other one has it still installed. Is that right?
The bnsupport outputs don't match witch the zip you sent.
- If the instance does not have phpMyAdmin files, you will not be able to access it at least you manually install it again. This guide explains how to install a custom app on top of LAMP, and should work for phpMyAdmin too:
Your bnsupport outputs show that apache is not properly started, but phpMyAdmin files seems to be there.