You may be trying to fix the symptom and not the real problem...
These four door Norcold fridge's are notorious for having weak plastic hinges. The lower door hinges really take a beating when traveling especially when items are placed in the door storage spaces.
If you look across the tops of the doors when closed you may see that they are not straight across but one door may have sagged down being actually lower in the opening than the other (this is what happened to mine).. this causes the door not to close correctly and the door alarm to sound.
I had read on here before that the Norcold hinges were very week so I pulled my doors off and sure enough.. one hinge was broken.
I fabricated a piece of flat stock with holes in it to mount to the bottom of the door to reinforce/replace the hinge.