This is not a fault.
The slits/slashes/holes in the door seal (see figure) are not a fault but are required for door seal venting as soon as the dryer door is closed.
There are slits, slashes or holes in the dryer’s door seal.
The slits/slashes/holes in the door seal (see figure) are not a fault but are required for door seal venting as soon as the dryer door is closed.