diff --git a/maintenance.md b/maintenance.md
index 921c8cd..b43c0a3 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -9,3 +9,4 @@ Newest entries at the bottom.
 - 2026-09-04: Oxygen scrubbers replaced.
 - 2026-09-05: Water recycling filters replaced.
 - 2026-09-05: Antenna realigned.
+- 2026-09-06: Fuel lines checked for leaks.