I had the same problem with our trailer. If they are typical Jayco drawers, there is a little tab on each side of the drawer slide.. (I think its maybe grey) Here s the instructions that one of the members gave me, that worked...
Pull the drawer out most of the way
On one side of the drawer there is a plastic finger you have to push up
On the other side of the drawer ther is a similar finger you have to push down.
Now with the fingers up/down pull the drawer all the way out.
Put back the drawer in a similar manner.