NEW YORK (Standard&Poor's) Feb. 6, 2004--Standard&Poor's Ratings Services said today it assigned its 'BBB-' rating to American Airlines Inc.'s (B-/Stable/--) $180.5 million 7.25% Class A secured notes due 2009, and assigned its 'B' rating to the $42.0 million Class B secured notes due 2009. The final scheduled payment date for the Class A is Feb. 5, 2009, and the final legal maturity Feb. 5, 2011. The Class B notes' scheduled and final legal maturity dates are Feb. 5, 2009. "The rating on the Class A notes is based the credit of American Airlines, the strategic importance to American of aircraft spare parts that collateralize the notes in any bankruptcy reorganization, and various structural features intended to