The Outage That Was Caused By The Fix For The Last Outage

4 incidents over 6 months are tracked as independent, unrelated events — but each one's fix deployment directly caused the next incident weeks later. INC-01's fix caused INC-02; INC-02's fix caused INC-03; INC-03's fix caused INC-04. It's one long causal chain, not four separate problems. INC-02B looks like it could belong to the same chain by symptom category, but its root cause traces to a completely unrelated service.