David D Minong , WI August 16, 2014 Appliance: General Electric Dishwasher GSD5330D00WW Ge Dishwasher Gsd5330d00ww: 3rd level spray arm kept falling off. How to replace 3Rd Level Spray Arm Assembly (Top-Of-Tub). Replaced it with a new one. Removed dishwasher. Removed 2 screws from top. Replaced part. Re-installed dishwasher. If I had it to do over again, I would have purchased the 2 screws that hold it in place - AP2038571. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes