Dishwasher appliance help.

[Kevin Olano]

Anyone ever repaired appliances in their rentals? So I have an older whirlpool dishwasher in one of my properties that has gone out...not totally though. I believe the timer has gone bad because it won't advance to the next cycle. Was going to fix it myself but having a problem on the first step. Removing the inner door panel. The top corner screws won't back out. They spin but don't back out. Tried prying and unscrewing but no luck. Any suggestions?