Michael Z Fayetteville , AR July 06, 2018 Appliance: Frigidaire Dishwasher PLDB998AC1 Frigidaire Dishwasher Pldb998ac1: Dishwasher arm kept falling over. How to replace Dishwasher Drain Trap. Replaced the parts that had worn down. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes