A passenger checks the flight status monitors at a the Dallas/Fort Worth International Airport Wednesday, April 9, 2008, in Grapevine, Texas. American Airlines canceled more than 1,000 flights Wednesday, more than one-third of its schedule, as it spent a second straight day inspecting the wiring on some of its jets _ the same issue that caused it to scrub hundreds of flights two weeks ago. (AP Photo/D.J. Peters)

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