Most likely the ceiling was in the way of the the copper lines you can see.
No, I did not fix it, we have strict instructions from this customer not to touch anything we have not been given a PO number for.
Unless there is a imminent danger to people we can not do anything and if there is a danger all we can do is "make it safe".
This exit sign will get fixed when the customers safety officer inspects and puts it on a list.