(CNN) Corey Lewandowski, the former Trump campaign aide who was subpoenaed Thursday by the House Judiciary Committee, said on Friday that he fully intended to appear before the panel.

"I look forward to my opportunity. ... Believe me I'm no flowering violet," Lewandowski said on Fox News Radio.

On Thursday, the Judiciary panel issued subpoenas to Lewandowski and former White House aide Rick Dearborn, requesting they testify publicly before the committee on September 17. Both Trump aides were cited extensively in the obstruction of justice section of special counsel Robert Mueller's report.

The subpoenas didn't come as a surprise -- the duo was included when the committee authorized subpoenas to 12 individuals last month -- but they signal the direction the committee is taking as it looks to quickly gather evidence that could lead to pursuing impeachment.

White House officials had been engaged in preliminary discussions about invoking executive privilege to limit Lewandowski from complying with the subpoena, despite Lewandowski never serving in any role in the administration, three sources told CNN.

Read More