43 additional U4038 abends in CNBAO03 as users retry the failed transaction. - **08:17** — CICSPlex SM detects the failure rate and routes XVAL transactions to other AORs. But CNBVAL50 is installed in all AORs — the failures follow. - **08:19** — All 8 AORs that serve XVAL are experiencing U4038 abe