when this will be solved?

[Revientor]

 

[Gierasimov]

It won't ... it is part of the core experience with such objects. Even if it is on ED 'to-do' list, most likely after (long after) Marianas WWII project. Resources busy with Afghanistan (for years to come) and Iraq (even more years)...  and nobody wants to assign somebody to fix those two cranes ...