Nope. They're only getting the lie-flat seats (just like DL's 767 seats) to comply with the agreement made with BA that all joint venture TATL flights would feature lie-flats by the 2015 Summer season. About 25 of them are being converted with the remainder (approx 33 of them) relegated to Hawai'i, Caribbean and Latin America, and those will be "retired over time" says AA.
The TATL 763s will be retired as they're replaced by 787s, and the first one gets delivered in the next couple of weeks, IIRC. Thus, the TATL 763s are short-timers and are only getting the bare minimum (the lie-flat J seats).