11/7/2023 0 Comments Rivet tool set cessn![]() (xii) Changes to the basic design of the fuel, oil, cooling, heating, cabin pressurization, electrical, hydraulic, de-icing, or exhaust systems. (xi) Changes to the empty weight or empty balance which result in an increase in the maximum certificated weight or center of gravity limits of the aircraft. (ix) Hydraulic and electrical actuating system of components. (viii) Elements of an airframe including spars, ribs, fittings, shock absorbers, bracing, cowling, fairings, and balance weights. Alterations of the following parts and alterations of the following types, when not listed in the aircraft specifications issued by the FAA, are airframe major alterations: (a) Major alterations-(1) Airframe major alterations. Age and activity weaken bodies and airplanes. You quite possibly will as you get older. But you younger guys don't have arthritis yet, either. I know, I know, Cessnas aren't falling out of the sky as their struts and wings fall off. And another question: has the tiedown ring been left off? It's part of that structure, too. Any crack, invisible or not, is a failure in progress, and as it crack it places more stress on the remaining rivets and the surrounding strut material, raising the possibility of more cracks and eventual failure.Ī smoking rivet there would concern me. The countersunk rivet places an outward force on the hole, and lift loads do the rest. ![]() We found one like that on a 180 the crack was invisible but it was there. ![]() They recommend an eddy-current inspection of the struts around those rivets, since they have had reports of cracking there. Someday, after a crash or two, it will be an AD. Cessna has an SID (Supplemental Inspection Document) on it.
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