The port top wingskin did not have the trail edge trimmed back to the edge of the closeout when we clamped it in place when laying up the new wingtip flange.
Thus a crack developed at the intersection of the top and bottom wingskin.
Will layup 2 thin layers of model aeroplane cloth on bottom now.
Once wingskin is Reduxed in place, will glass the top to wingtip.
Y9-09-15