That's an off peak award. For travel to London, for instance, it would be 40,000 miles from mid-Oct to mid-May. Outside of that it would be 60,000 miles.
Off-peak dates: The Caribbean and Mexico: Sep.7-Nov.14; Central America, Colombia, Ecuador, Peru, and Venezuela: Jan.16-Jun.14; Sep.7-Nov.14; Argentina, Bolivia, Brazil, Chile, and Uruguay: Mar.1-May 31; Aug.16-Nov.30; Europe:Oct.15-May 15; Japan: Oct.1-Apr.30.
http://www.aa.com/aa/i18nForward.do?...jsp#awardchart