Yes, 149 system come out from Q.C. step is effect from rust problem. We found rust on 20-Jul-2015 and 22-Jul-2015 the man's sweat effect use glove 2 hand. You can see on WIP board 27-Jul-2015 Step#1 - #4 rust no more.
Tsering (Q) : How do you measured the spring ? and if you replaced the new spring does it work good or not ?
Tiger (A) : Yes, We replaced new spring any times when we found bad spring (meaning Short or out of shape) and system come good. We need to make sure the system is good (Center part with Furck is straight and Not moving)