Remember that 1.5 metre bit of ply that had to go? That takes a lot of elbow grease to get off the ribs and spar. A lot of sanding, dust everywhere.
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All sanded down to bare spruce, the innards of the D-nose are amazingly bare after all this work.
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After all the loose ribs were reunited with the leading edge stringer, and all were freshly cleaned and liberally doused in conservative laquer, it was time to teach the new plywood plate how to swim. Next time we need a bigger tub.
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Then the wet plate was draped over the D-nose. Some clamps were needed to persuade it to bend it into shape.
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Some days later it was dry, and utterly convinced of its new shape. So we then glued it into place.
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The only thing left to do now is to grind away excess and the supporting stringers, the redo all the gussets that attach the aft ribs to the spar face. Oh yeah, and then do it all over again on three more 1.5 metre sections that also need re-plying.

Finished new bit after reworking it down to correct dimensions. Compare to picture 3 of the last post and spot the differences.
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Well, that T30 trailer has been built now too, so the Prefect has a new snug home to live in and travel in style. Which is a good thing. An even better thing is we can now finally get back to work on the port wing of the Sedbergh project. Wasting no time, it was squuezed into the busy shop (winter maintenance has also started on all the fancy white modern ships).

To properly assess the very obvious severe water ingress damage in the D-nose, we opened up some inspection holes for easy access. The term Swiss cheese springs to mind.
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Now, the D-nose of a Sedbergh is a properly robust thing. Thick plywood, lots of strength there. The ribs however are amazingly flimsy.
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A surprise was hiding behind a small suspect patch plywood repair on the nose stringer of the D-nose, somewhere around the strut attachment. Somebody had obviously hit this Sedbergh wing head on against something even more solid than a Sedbergh wing somewhere in time. The repair that was done was, as they say, highly entertaining.
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Yes, that is the wrong type of wood. And yes, it has been glued in end-to-end against the rib and not spliced in 1:15 as it should be. And no, the glue joint is not of the correct thickness. And no, the nose of it does not follow the curve of the D-nose. In fact: the bit of wood looks alarmingly like a section of decorative ceiling liner that was conventiently laying around the shop at the time. Which it probably is, too. O, and the guys doing the repair had also missed the very obvious split that ran from their botched repair along the stringer into the next section of D-nose.
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So, out it came, and a proper bit of wood that was conveniently laying around in our shop was spliced in properly to factory specs and drawings. Looking much better now.
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This gave the D-nose its structural integrity back, so one of the next jobs is to strip back a 1.5 metre section of plywood from the whole D of the D-nose and get that replaced with some proper plywood since the old stuff was beyond saving… Most ribs look to be fine and can be re-used. Which is what we expected, since we have some 30 extra ribs in stock for this section, and the things you tend to need to replace and rebuild usually only are the ones you don’t have in stock anyway.