"Alfano's complete non-involvement is shown very clearly from Pansa's detailed and thorough report," he said.

Ratings agency Moody's confirmed its rating of Finmeccanica debt after Pansa's appointment but cut the outlook to negative from stable.

Orsi denies any wrongdoing; but the company in its statement said Pansa, 50, would take on "the powers and duties previously held by" him.