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Broken sloping longeron attach flange


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Hi guys, I need some help about a broken upper vertical leg in (the oblique part) of Sloping Longeron Attach Flange at FS 858L. The oblique part is attached to the "Tee cap" by the doubler (see figure 2)

We tried to make reinforcing doublers but after 12 landings the fitting PN 342593L was broken.

We suggested to grind out the outside of the vertical leg and make doublers but need the limit removal of the Longeron, but we haven't in our structure repair manual SMP 583.

So can any one of you expert sheet metal engineer suggest a solution for this huge problem, thanks.Screenshot_20211006_221402.thumb.jpg.3b65758f5958b02885c4b5889aae3a60.jpg

Screenshot_20211006_213610.jpg

Edited by mecano flyer
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