Thanks r9etb,
Race, does this look like composite fatigue? I have no idea, I deal with sheet metal.
Vertical Stab attachment from AA587
http://www.ntsb.gov/events/2001/AA587/AA587_01.jpg
Which reminds me, didn't ground inspections of other SCaribus after AA587 show cracking at this joint?
My turn at the tin foil hat, but just because the FAA or airliners don't ground a machine, doesn't mean their isn't a known problem. IMO, Airbus needs to be grounded.
I would not call that fatigue, I would call that catastrophic.
One problem here, though, is this is a poured composite, not a laminate through and through, it is like a solid, it may have layers of laminate in it, but it is poured or laid in dripping wet like a speghetti, that's the type it looks to me, it has fibers through it, but is not a sheet, it is put ina mold like a piece of dough laid in a mold neatly, as if poured from one side to another, or hand laid out like you would a lasagna, but in a mold to that shape.
That would make failure look like a crack through many layers, thats why on one side there are different layers stickingout sharp, stuff sticking out in shards.
If this was fatigue, those edges would have been worn down and flattened, not stayed sharp, the back and forth motion would have made the sharp edges dull.
