Frost on inside

Hello, see links below for the technician diagnostic sheet,parts, and video.
-Matt Ace technician

DA96-00042A Fits the Following Appliance Models
RH2777AT RS2520SW RS2533BB RS2533SW RS2533VK RS2533VQ RS2534BB RS2534VQ RS2534WW RS253BABB RS253BASB RS253BAVQ RS253BAWW RS2544SL RS2545SH RS2555BB RS2555SL RS2555SW RS2556BB RS2556SH RS2556WW RS255BABB RS255BASB RS255BAWW RS2577BB RS2577SL RS2577SW RS2578BB RS2578SH RS2578WW
RS257BARB RS2622SW RS2622SW/XAA RS2644SL RS2644SW RS265LABP RS265LAWP RS2666SL RS2666SW RS267LABP RS267LABP/XAA RS267LASH RS267LASH/XAA RS269LARS RS2777SL DFSF9VKBABB DFSF9VKBAWW DFSS9VKBASS RF263BEAESR/AA RF263BEAEWW/AA RF263BEAEWW/AA RF263TEAEBC/AA RF263TEAEBC/AA RF263TEAESR/AA RF263TEAEWW/AA RF323TEDBBC/AA RF323TEDBBC/AA RF323TEDBBC/AA RF323TEDBBC/AA RF323TEDBBC/AA
RF323TEDBSR/AA RF323TEDBSR/AA RF323TEDBSR/AA RF323TEDBSR/AA RF323TEDBSR/AA RF323TEDBWW/AA RF323TEDBWW/AA RF323TEDBWW/AA RF323TEDBWW/AA RF323TEDBWW/AA RS265TDBP/XAA RS265TDBP/XAA RS267TDBP/XAA RS267TDBP/XAA