diff --git a/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP_downtime.yaml b/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP_downtime.yaml
index 3dc1f67d7..0c6133939 100644
--- a/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP_downtime.yaml	
+++ b/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP_downtime.yaml	
@@ -108,4 +108,16 @@
   Services:
   - Pelican origin
 # ---------------------------------------------------------
+- Class: UNSCHEDULED
+  ID: 1942926373
+  Description: HW issue
+  Severity: Outage
+  StartTime: Oct 17, 2024 19:30 +0000
+  EndTime: Oct 22, 2024 19:30 +0000
+  CreatedTime: Oct 18, 2024 23:03 +0000
+  ResourceName: SDSC_NRP_OSDF_CACHE
+  Services:
+  - Pelican cache
+# ---------------------------------------------------------
+