jcjeant: Wow.
Lyman;
How and in what way does a roll to a bank angle of about 8deg either way "remain a serious issue"? I'm referring of course to "Phase 1", which is from the initial UAS event until the onset of stall-warning or the apogee.
The evidence that the PF got the roll under control quite quickly is in the data - it is a series of diminishing oscillations - a stabilizing (reducing) pattern of divergences, between left and right.
Now, as the AoA increases and lateral stability decreases, roll commands increase again and along with everything else roll becomes increasingly unstable, but all this occurs after the stall warning and just a bit later, the stall at apogee.
Even if there is some incidental pitch up command, both pitch and roll are eminently controllable with small movements and a normal response to an incidental pitch-up which is not desired, (for sure, not at FL350).
Ideally, one flies the airplane, which here means that the pitch is lowered and stick movements subside, (stick held fast), while the mass of the airplane settles down in the thinner air, then one returns to cruise altitude, etc.