Good morning, We found some center part (E1T) #250315E1T have crumpled (Not smooth) near the bottom side. But the hole on bottom for micro-ball is look good and when we assemble is good movement (Mechanic).
We found about 6 - 7 pieces per 10 pieces. (Inform to you to keep information)
Please see picture below.
Thank you,
Tiger.
P.S. This E1T the same lot# number to have rust between assembly in the factory.