David W Troutdale , OR September 15, 2015 Appliance: Frigidaire Dishwasher FDB510LCS0 Frigidaire Dishwasher Fdb510lcs0: Rusting racks. How to replace Dishwasher Lower Dishrack Assembly. Replaced both upper and lower racks of my Frigidaire dishwasher. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes