She needs to make a proffession of faith. (check the CCEO; the diocesan canon lawyer can confirm this, but you can look at it at intratext.com/IXT/ENG1199/_POW.HTM (the linked canon and the next several are those relating to reception of baptized Christians. 897 is the important one.)
A member of the Christian faithful of an Eastern non-Catholic Church is to be received into the Catholic Church with only the profession of the Catholic faith, after doctrinal and spiritual preparation according to each one’s condition.
If she wishes to practice in the Latin Rite, fine. She’s still an Eastern Christian; To switch canonical enrollment is a letter to the bishop requesting that, but that’s not essential.
If she’s remarried, or intends to get remarried, she’ll need the declaration of nullity, or the Petrine or Pauline privilege.