tdracer
thank you for your info...
Heard and read about such incidents and events for years, bizjets also had been involved..
Boeing actually had published excellent material on these problems
AERO - Engine Power Loss in Ice Crystal Conditions
AERO - Boeing Assistance in Airplane Recovery
but for all I think that I know, the "underlying fundamental" is that in all cases known so far the birds have been in a problematic weather situation...without being there nothing would have happened....
so maybe the only "way out" is to find better CB and WX avoidance techniques and / or have old proven techniques have a renaissance...like knowing how to use a WX radar....and making sure that one is a safe distance away, both laterally and vertically from severe convective weather...
I do not see any possibility of making modern airplanes and engines CB penetration safe...