This is just a guess, I believe that the keyboard comes with all the latches with the same spacing, but over time they start to give way until they start to lose contact.To this day, the solution has been definitive and, if it fails again, I will adj...
Exactly, it is solved because the pins that are flat type are not all in the same position, some come a degree more or a degree less twisted, etc., which makes a contact again temporarily. As mentioned above in a photo, it is the “clamp” that needs t...