HN39, am I reading your graph correctly ? Shortly after 2:10:30 the a/c started to descend (g less than 1.0) at which time the pitch was greater than 10 degrees (and increasing) and the FPA was about 8 degrees and just about to max ?
Presume in a stall vertical acceleartion (g) is less than 1 and FPA will decrease, so are there two stalls, each starting where FPA starts to decrease (and g about 1 and falling ?).