NEW YORK - The U.S. attorney for the Southern District of New York on Aug. 23 filed a statement in the Chapter 11 bankruptcy of AMR Corp., the parent company of American Airlines Inc., seeking a permanent injunction blocking "in its entirety" the proposed merger of American Airlines and US Airways Inc. (In Re: AMR Corporation, No. 11-15463, Chapter 11, S.D. N.Y. Bkcy.).