1. Found a YouTube video for replacing the Mullion flap on a Samsung French door refrigerator.
2. Took the appliance model information from my refrigerator and used it on the AppliancePartsPros.com website.
3. Quickly found the mullion flap part and ordered it.
4. The part arrived in about 2 days (certainly no more than three..
5. Replaced the part in under 10 minutes.
6. Felt an enormous sense of achievement.