----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- Alon owner Ron Blackadar told me several years ago that this was going to be a full-blown AD on ALL Coupes in the future. He had to do his and he also confirms it is a real bear! I think I will pull both of mine off this winter and do them both, just to make sure. I still think the airplane would go out of control if it broke off in flight. I would not like that one least bit. George Frebert
On Sun, 27 Aug 2000 13:06:20 -0700, [EMAIL PROTECTED] wrote: > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > I opened the butt end of one of the ailerons from > 09H and found the steel reinforcement for the inboard > hinge that has the fitting for the push rod to be in > excellent condition. The failure mode would have been > rivets breaking off and eventually the reinforcement > tearing loose from the aileron. > > The end cap that was in contact with the steel piece > has some nasty corrosion I shall either make a new > piece or put a doubler on it. There was an earlier > repair that used Cherry rivets. The Cherry rivets were > in very poor condition. They were genuine, not "pop" > rivets. When I reassemble the aileron I shall have to > use some Cherry rivets. I cannot for the life of me > figure out how the factory bucked all the rivets to seal > up the aileron. > > I cannot see any other way of making the aileron > airworthy but to take the whole thing apart and renew > virtually every rivet. Where a brace looks OK there will > be corrosion underneath it that must come out. If I > just wash it down with the Aluma-Dyne phosphoric acid > preparation followed with the formic acid conversion > there is no guarantee I'll neutralize all the corrosion > nor any guarantee I'll get all the chemical out of the cracks > and crevices. I'd guess about 100+ hours on each aileron > > I wonder what the interior of the ailerons I'm flying look like? > There is just no easy way of taking a look inside them. Too > bad they aren't fabric like the wings. > > I shall probably finishing opening up the aileron before > I start A & P school next month. Depending on what I > find, it may go up on the rafters for a while. I will need > all my concentration for a time, to turn back the clock, > and remember how to be a good student. It sure wouldn't > do to be at the bottom of a class of young whippersnappers. > <G> > > Paul > N2273H > > __________________________________________________ > To unsubscribe from this list please send mailto:[EMAIL PROTECTED] > ___________________________________________________________ > T O P I C A The Email You Want. http://www.topica.com/t/16 > Newsletters, Tips and Discussions on Your Favorite Topics _______________________________________________________ Say Bye to Slow Internet! http://www.home.com/xinbox/signup.html __________________________________________________ To unsubscribe from this list please send mailto:[EMAIL PROTECTED] ___________________________________________________________ T O P I C A The Email You Want. http://www.topica.com/t/16 Newsletters, Tips and Discussions on Your Favorite Topics
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