mecano flyer Posted October 6, 2021 Share Posted October 6, 2021 (edited) 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. Edited October 6, 2021 by mecano flyer Quote Link to comment Share on other sites More sharing options...
miamiair Posted October 20, 2021 Share Posted October 20, 2021 Greetings, Do you have a photo of the damage? What failed after twelve cycles? The Repair Doubler? Quote Link to comment Share on other sites More sharing options...
tinyclark Posted November 19, 2021 Share Posted November 19, 2021 Any fix would have to be approved by the engineers at WRALC. Quote Link to comment Share on other sites More sharing options...
Bogi252 Posted December 28, 2021 Share Posted December 28, 2021 Replacement of sloping longeron per SRM 1C-130A-3, 53-199-00. 1 Quote Link to comment Share on other sites More sharing options...
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