Robert S Clinton , MO May 22, 2016 Appliance: Samsung Washer WA50F9A6DSW/A2-0001 Samsung Washer Wa50f9a6dsw/A2-0001 / : Lock fail. How to replace Dryer Top Cover. Used a scribe to push the lock bolt back in. That wasn't the real issue. Found out through some other level of trouble shooting that my main board is bad. But this was truly a no brainer repair and was easy. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes