Pull the ducted A/C assembly and look at the air divider. it separates and divides the air inlet and outlet and it distributes the air to the vents. The A/C installation manual (available on line) shows how to properly install the air divider. It is also possible than one of the foam insulating blocks has moved and is blocking one side but you should be able to see it looking up in the roof
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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