(1) Revoke the personal representative's letters;
(2) Require additional security;
(3) Require the personal representative to appear and submit to a settlement of accounts following the procedure set forth in Article 6 of this chapter, whether or not the personal representative has first resigned or been removed and whether or not a successor fiduciary has been appointed; or
(4) Issue such other order as in the court's judgment is appropriate under the circumstances of the case.