Our's fell out on to the ground. But I did have the same problem that you have before it fell out. I took our's to a shop and had them reglue it. To get your's back up into position you could carefully heat the top to soften the glue and push it back up. But in the end you will have to take it out and reglue it.
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07 Fleetwood Bounder 33R
Workhorse W-Series
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