Almost nothing disqualifies on its own
Reviewers new to the work tend to look for a single decisive fact — the one disclosure that settles the question. It is rarely available. Most individual findings have a reasonable explanation, and a manager with a reasonable explanation for each of ten findings may still be one nobody should allocate to.
What ends a credible review is usually one of two things: a pattern that persists across otherwise unrelated areas, or the manner in which a manager responds once a gap has been put to them plainly. Neither is a fact discovered in a document. Both emerge from the process of asking.