NEW YORK (Standard&Poor's) July 24, 2013--Standard&Poor's Ratings Services today assigned its preliminary 'BBB-' rating to American Airlines Inc.'s series 2013-2 class A pass-through certificates with an expected maturity of Jan. 15, 2023. The final legal maturity will be 18 months after the expected maturity. We will assign a final rating after concluding a legal review of the documentation. The preliminary rating is based on: The consolidated credit quality of American and its parent, AMR Corp. (both rated 'D'); Our expectation regarding the likelihood that AMR and American will emerge from bankruptcy; The substantial collateral coverage by good-quality aircraft; and The legal and structural protections available to the pass-through certificates. The company will use the offering proceeds