LG dishwasher door drops
Here are your parts
Parts for LG LDF6920ST / ASTEEUS Dishwasher - AppliancePartsPros.com
The parts breakdown diagrams seem to be missing a lot of parts.
Most doors are held up by a spring on the sides, may also use a cable system.
You usually have to remove the kick plate and then pull the unit about a foot out from under the cabinet to get at them.
Google “LG dishwasher door spring” and you should get some sdditional info.