diff --git a/maintenance.md b/maintenance.md
index 6cb6d3e..52ad5bc 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -55,3 +55,4 @@ Newest entries at the bottom.
 - 2026-10-10: Airlock seals checked.
 - 2026-10-10: Galley fridge defrosted.
 - 2026-10-11: Thrusters test-fired.
+- 2026-10-11: Cabin pressure sensors tested.