diff --git a/maintenance.md b/maintenance.md
index 8a9bbd1..4a248d3 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -49,3 +49,4 @@ Newest entries at the bottom.
 - 2026-10-06: Debugging duck accounted for.
 - 2026-10-07: Oxygen scrubbers replaced.
 - 2026-10-07: Coffee machine descaled.
+- 2026-10-08: Cabin pressure sensors tested.