I just finished assembling a Tower Hobbies Kaos 40 ARF.

The instructions said to do just that - drill a small hole mid point of the hinge slot to aid in "wicking" the thin CA.

It seems to work well although I managed to make a mess of it getting too much CA where it was not needed.

Oh, well, maybe by the time I do about 100 kits/ARFs I'll get it right.........

Dave