Zone - if what you say is correct maybe CASA have jumped the gun a bit? Suspending the AOC before they even know whats happened perhaps?
You are assuming that the Avalon incident led to the grounding by CASA.
I would suggest that this would have only been a small part of the reason.
Let's hope that this is the start of CASA doing what it should and not just picking a soft target to be seen.
Indeed let us hope. I suspect the latter may be the case. CASA can now show how tough they are in their fight for SAFE SKIES FOR ALL.