diff --git a/maintenance.md b/maintenance.md
index c5cd096..d496408 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -52,3 +52,4 @@ Newest entries at the bottom.
 - 2026-10-08: Cabin pressure sensors tested.
 - 2026-10-08: Thrusters test-fired.
 - 2026-10-09: Galley fridge defrosted.
+- 2026-10-10: Airlock seals checked.