>Hey Steve: I recommend you put the holes in the bottom of the center >section. Reason being, that I have personally found several Coupes/Alons >with corrosion > exfoiliation as well as surface) in the area behind the >rear spar.
I also have found corrosion on several planes that was not visable with a wing pull alone. I won't sign off the AD anymore unless the inspection openings are installed. In every case (if my memory serves me right) the severe corrosion was on the pilots side behind the rear spar. Cheers: Paul N1431A KPLU
