The investigation the EC launched in March 2004 showed that Greece had continued to grant further aid to Olympic Airways and Olympic Airlines, including 40m euros to partially cover the latter's aircraft leasing expenses and an overvaluation of assets.
Istragom EC, pokrenutom u ožujku 2004, utvrđeno je kako je Grčka nastavila s davanjem dodatne potpore Olympic Airwaysu i Olympic Airlinesu, uključujući 40 milijuna eura danih Olympic Airlinesu za djelomično pokriće troškova najma zrakoplova i precijenjene vrijednosti imovine.