diff --git a/maintenance.md b/maintenance.md
index 923a01f..6db0a79 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -41,3 +41,4 @@ Newest entries at the bottom.
 - 2026-09-30: Navigation lights checked.
 - 2026-10-01: Cabin pressure sensors tested.
 - 2026-10-02: Escape pod batteries charged.
+- 2026-10-03: Navigation lights checked.