David M Edgewater , FL December 15, 2024 Appliance: General Electric Dishwasher GDT665SSN3SS Ge Dishwasher Gdt665ssn3ss: One of the pieces of the lower spinner arm detatched. How to replace Dishwasher Lower Spray Arm Assembly. Replaced the lower spinner arm Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes