Truly sorry but I would never profess to be as smart as an aircraft mechanic. Actually, if I had not tried everything suggested by Lippert tech when I had the pleasure of speaking to their more knowledgeable people, and if I didn't have decades of experience with similar problems, I would defer to anyone in whom I could feel assured demonstrated an obvious understanding of the mechanics of these devices, if such a person made an intelligent observation of the situation and made a plausible suggestion. The hole will never be seen after the trim piece that I removed from the mitered corner of the alum. trim to drill it is reattached. I will put a plug in the hole just for grins and thanks for that offer of same from jevanb, but I keep some on hand in my business as a custom metal fabricator also. Rest assured, all recommended procedures were either performed as suggested by factory or summarily rejected if they obviously did not apply. As for "walking it out" I am including a pic of the body shop rod jack I used to move the slide out to a point where weight distribution was more favorable and it was all it could do to budge it using a 12" handle, AFT
ER disengaging motor brakes and even after releasing motors from couplers.