The situation in the Diocese of the Upper Midwest was, however, a largely internal matter and the complaints about BR largely concerned his administration. While the situation was contentious throughout The ACNA and has caused emotions to run high and a good bit of poor publicity, it is hard to say that any other diocesan bishop in particular were themselves personally, in the legal sense, grieved by the administration of BR in his own diocese.
Source: About The ACNA canonical problems