Judge Ketanji Brown Jackson appeared at her first arguments on the U.S. Court of Appeals for the D.C. Circuit Thursday, facing the issue of what to with an Ohio federal judge’s lawsuit over a misconduct decision.

Jackson was known on the D.C. district bench for her thorough questioning of those appearing before in her court, a characteristic that was apparent as she—joined by Chief Judge Sri Srinivasan and Senior Judge Doug Ginsburg—weighed whether to revive the judge’s lawsuit over a misconduct finding that included a requirement he undergo a psychiatric examination.