American Airlines Ch. 11 Filing Seen Fri. = = = = Thursday April 24, 7:22 PM EDT = CHICAGO (Reuters) - AMR Corp.'s (AMR) American Airlines will file for Cha= pter 11 bankruptcy protection on Friday morning, sources familiar with th= e matter told Reuters on Thursday. The impending move in the U.S. Bankruptcy Court in New York comes after A= MR's board met throughout the day in Texas to consider the fate of the wo= rld's largest airline, which has been embroiled in a big dispute with uni= ons. = =A92003 Reuters Limited. = Roger EWROPS