Slushy ice from the door ice dispenser

Electrolux Refrigerator. Nothing against Electrolux don’t know a lot about them we do mainly high-end /built in work.
Says in the morning he gets a slushy from his through the door ice dispenser.
Besides the obvious flap/dispenser door not closing, warm air intrusion etc. any brand specific idiosyncrasies / service bulletins /kits to be aware of with this particular unit and reported problem.