Tommie M Las Cruces , NM October 12, 2020 Appliance: Frigidaire Dishwasher FBD2400KB12B Frigidaire Dishwasher Fbd2400kb12b: Frigidaire dishwasher lower spray arm was melted. How to replace Dishwasher Lower Spray Arm With Heat Shield. Called AppliancePartsPros after reading all their good reviews. Received my order in 5 days. Put on lower spray arm and voila it is working again! Thanks AppliancePartsPros. Also, very friendly Customer Service. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes