diff --git a/documentation/INCIDENTS.md b/documentation/INCIDENTS.md
index 9e896e1..2d665f1 100644
--- a/documentation/INCIDENTS.md
+++ b/documentation/INCIDENTS.md
@@ -1084,3 +1084,18 @@ recharged mullvad account
 **extended monitoring**:
 This is not the first time the public wifi selectivly stopped working because something was wrong with the vpn.
 To be proactively notified when this happens again I've created a alarm that should trigger when every end to end test from the public wifi/client network stops working (`ec917a2`).
+
+
+024 2022.10.24 ~ 01:00 | (maintenance) upgrade accesspoints to OpenWrt 21.02.5
+------------------------------------------------------------------------------
+
+upgrade firmware on all accesspoints to the latest old stable version using the new `playbook_sysupgrade` (since `8d79518`).
+
+garet release: `845a6ba`
+garet profile: `aruba-ap-105_21.02`
+
+**timetable**:
+* 2022.10.24 00:16 - 00:20: `ap-c5d1` (office container)
+* 2022.10.24 00:27 - 00:32: `ap-ac7c` (social work)
+* 2022.10.24 00:39 - 00:44: `ap-0b99`, `ap-1a38`, `ap-2bbf`, `ap-8f39`, `ap-8f42`, `ap-c495` (tents)
+=> downtime of the accesspoints in the specified timeframe