NEW : Woman has two operations after injuries led to paralysis , lawyer says . NEW : ` ` She is very brave and is strong , '' surgeon says . Woman hits head on a wall during turbulence on plane , lawyer says . Federal aviation agency investigating flight from Houston to McAllen , Texas .
NEW : Woman has two operations after injuries led to paralysis , surgeon says . NEW : `` She is very brave and is talking , '' surgeon says . Woman struck head on bathroom ceiling during turbulence on plane , lawyer says . Federal aviation authorities investigating flight from Houston to McAllen , Texas .