Try:

http://www.cathay-usa.com/freqfly/aadvantagemiles.asp

Or try aa.com -> AAdvantage -> Partners and Mileage Programs -> Airlines > Cathay Pacific.

And also (listed below) from: http://www.cathay-usa.com/freqfly/aadvantageaward.asp

Effective August 1, 2003, Cathay Pacific AAdvantage upgrade awards will be discontinued. Members must ticket all upgrade award bookings on or before July 31, 2003 and for all tickets using a Cathay Pacific AAdvantage upgrade, all travel must be completed by December 31, 2003.

[This message has been edited by Sky 1 (edited 09-05-2003).]