I have to assume this was either the work of a sadist in either design or assembly phase back in the day.
There is no obvious design advantage of putting that spring attach point INSIDE of that aluminum frame, attached with TEN AN-3 bolts in an awkward to reach space.
Also most of the posts about "broken spring" are on the left side.. so I would posit that the twist to get the spring to the inside of the frame puts more adverse load on it than the normal person design found on the right (co-pilot) side leading to premature failure.
Which of course begs the question of why not have the A&P change the tab to the left OUTSIDE of the frame so it matches the right side... There are no movement conflicts that can be seen.
Michael
