There is also a fix that uses ring shanked nails to replace the factory ones.... but ACA does not recommend them. Too hard to remove if you need to.
My wings had ring shank nails and I agree they are next to impossible to get out without damaging the rib flange or leaving a gaping hole in the spar where the nail was. A heating iron applied to the heads of the nails made removal a lot easier but I'd guess my old wood spars are not usable after having the nails pulled.

