diff --git a/topology/Internet2/Internet2GreatPlains/I2GreatPlainsInfrastructure_downtime.yaml b/topology/Internet2/Internet2GreatPlains/I2GreatPlainsInfrastructure_downtime.yaml
index ebd2a4369..3dd5d2a75 100644
--- a/topology/Internet2/Internet2GreatPlains/I2GreatPlainsInfrastructure_downtime.yaml
+++ b/topology/Internet2/Internet2GreatPlains/I2GreatPlainsInfrastructure_downtime.yaml
@@ -7,3 +7,13 @@
   - XRootD cache server
   Severity: Outage
   StartTime: Nov 10, 2022 1:00 +0000
+- Class: SCHEDULED
+  ID: 1616105741
+  Description: OS reinstall
+  Severity: Outage
+  StartTime: Oct 09, 2023 20:00 +0000
+  EndTime: Oct 13, 2023 20:00 +0000
+  CreatedTime: Oct 06, 2023 16:42 +0000
+  ResourceName: Stashcache-Kansas
+  Services:
+  - XRootD cache server