diff --git a/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml b/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml
index 11b9b13d1..fdcd613df 100644
--- a/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml	
+++ b/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml	
@@ -42,3 +42,14 @@
   Services:
   - XRootD cache server
 # ---------------------------------------------------------
+- Class: UNSCHEDULED
+  ID: 1898040201
+  Description: HW issue
+  Severity: Outage
+  StartTime: Aug 26, 2024 08:01 +0000
+  EndTime: Aug 29, 2024 19:30 +0000
+  CreatedTime: Aug 28, 2024 00:13 +0000
+  ResourceName: Stashcache-KISTI
+  Services:
+  - XRootD cache server
+# ---------------------------------------------------------