We'd have to take a look and see if there are any such examples in the specific case of indigenous residential schools. We might find some if we look.
Having said that, I would encourage you as well to look at the examples that Judge Arbour cited in dissent in the Canadian Foundation for Children, Youth and the Law case. She explained how section 43 had previously been applied in situations where we would now consider that excessive force had been used and where section 43 could not apply. Since that judgment was rendered, such acts, in situations as extreme as those we've heard, have clearly constituted excessive force, and section 43 has not applied. Those cases now result in assault charges and guilty verdicts.