On Sunday, August 25, 2013 3:57:26 AM UTC-7, Astir. wrote:
Has anyone got any definitive documentation regarding the fitting of "thin"

shims on Astir wing spigots that are approaching the 5mm limit on collars

I recall having something a few years ago, but unable to retrieve it

Fully aware of the engineering logic of too thick shims and ball/spigot

relationship

Are you saying that the 'little balls' inside your locked lift fittings, have reached the bottom of the spigot 'groove' and the wings are not tightly secured to the fuselage and you are considering rectifying this condition using shims?