Originally Posted by
dopey!
You can see the fare codes on aa.com by selecting the "price and schedule" option when doing a flight search. the click flight details and it shows your classes and codes, etc
That only shows you the single letter booking code that will appear on your BP/what inventory bucket must be available. To know the fare basis, you have to go through as though you are booking the ticket, then open the link to "fare rules" to see what's what. On the tickets the OP is looking at, the price and schedule finder will show both as the same inventory whereas they are based on different fares.