Former ABC managing director Michelle Guthrie is reportedly taking the national broadcaster to court, following her sacking last month.
Ms Guthrie has filed papers to begin a legal process against the ABC, the ABC and Fairfax Media report.
A spokesperson for Ms Guthrie confirmed to the ABC that she had lodged the claim with the Fair Work Commission.
It's not yet clear which provisions of the Fair Work Act will form the basis of Ms Guthrie's claim.
The former ABC boss was shown the door on September 24, with the ABC board saying her ongoing leadership was not in the broadcaster's best interests.
She flagged possible legal action after she was removed by the ABC board of directors, halfway through her five-year term.
She said she was "devastated" by the decision to dump her.
"At no point have any issues been raised with me about the transformation being undertaken, the Investing in Audiences strategy, and my effectiveness in delivering against that strategy," she said at the time.
Then-ABC chairman Justin Milne said directors had decided it was not in the best interest of the public broadcaster for Ms Guthrie to continue to lead the organisation.
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He said the board had made the decision in the interest of "the millions of Australians who engage with ABC content every week".
Mr Milne stepped down from his role with the ABC following Ms Guthrie's sacking amid allegations he had interfered with editorial decisions because of government pressure.
Former ABC chairman Justin Milne and former director Michelle Guthrie.
AAP
It was alleged Mr Milne had urged Ms Guthrie in her role as managing director to sack senior journalist Emma Alberic and political correspondent Andrew Probyn.
According to News Corp, Mr Milne ordered Ms Guthrie to dump Probyn from the ABC, telling her in an email to "shoot him".
But the chairman denied the allegations, telling 7.30 he "never sent an email to Michelle Guthrie or anybody else that says you must sack Emma Alberici or Andrew Probyn or anybody else".
"No I don't remember saying that at all. But what I certainly would've done is had a conversation with not only Michelle but with other members of the leadership team about what I'll call the Probyn issue," he said.
