Originally Posted by
MemberBerry
From those slides presented to the European Parliament, EASA said they found 4 significant technical problems that would need to be addressed:
And, according to the same slides, the solutions Boeing has been working on are:
It seems none of those directly address the issue with the high force that may be required to move the manual trim wheel. I wonder what Boeing's plan is regarding that. I'm guessing they will just try to convince the EASA that it is not actually an issue. But, if after the flight tests the EASA is still not convinced, things could get very messy.
For as long as manual trim is referenced as a risk management tool in memory items, QRH, checklists, manuals or ADs then it will need to be useable by flight crew.
Either it is necessary or it is not