Richard W Omaha , NE April 13, 2018 Appliance: General Electric Dishwasher PDW7800P00BB Ge Dishwasher Pdw7800p00bb: Lower spray arm assembly had the two outer spray holes plugging up with debris. How to replace Dishwasher Lower Spray Arm. Replaced the assembly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes