Action to annul an arbitral award based on allegations of failure to observe the adversarial principle and the right to a full defense, and of exceeding the limits of the arbitration agreement. First-instance judgment dismissing the action for lack of standing to sue and absence of a right of action. Setting aside of the terminating judgment so that a judgment on the merits may be rendered, pursuant to Articles 21, 32 and 33 of the Brazilian Arbitration Act: