It will take more than just O/T to fix the mess that has been left by MH and created by DC. Maybe he should be replaced and have a totally clean slate to start with.
To get the maint back on track there has to be more managers leaving. D.C would be a good start to show the company is serious about fixing the problem.
A thorough investigation into the current status of QE would definitley throw up these two core findings.
We wait with anticipation for implementation of these recommendations!