Thanks for all your replies.
However, the current events seem to show that blame will be put on the individuals from 1 department, while the other department will get off without any blame.
So no hope of getting at the root causes.
Yes, there was a bit of non-compliance. That stems from management imposing unnpractical procedures on an operation that is different from other operations, but for the sake of "standardisation" needs to have the same procedures with the same parameters.
Never mind our different reality..
Politics.
