I’ve noticed a breach in my left panel of my A350t enclosure. I don’t know how happened, but its possible to get only one panel for changing?
If it’s not available on the Store, email support. They can usually source parts that aren’t available, and tell you how much it will cost to buy and ship. Be aware that they’re located in Shenzhen, China and work 9:30-18:30 in that timezone. That said, they’re still not known for being particularly prompt.