I think she will have a hard time getting Ford to replace it unless it becomes a very obvious widespread issue. If not, its just a broken window and glass breakage is not covered under warranty.
'14 Tuxedo Black ST3
'13 Ingot Silver Escape Titanium AWD
'04 CD Silver SVT, #877, 1 of 135 May 2011 ROTM, FF11: Best Display, Best of Show; AFN12: Best SVT, Best Audio, Finest Five, Carlisle Nifty Fifty