MAYTAG MDB6600aww latch stays in after opening it

yes the handle on my maytag stays in after opening it and i have to pull hard to open, im afraid something in broken and want to fix before it stops opening for me, but what part do i need?

Here are your parts
Replacement parts for MAYTAG MDB6600AWW DISHWASHER- UNDERCOUNTER | AppliancePartsPros.com

And this should help
16021814 Maytag Jetclean II Dishwashers Service Manual - ApplianceDigest.com
You will have to join the site to download the manual but it is free and a good site.

You will have to open up the door and see what is broken.