flowchart TD classDef c1 fill:#399 classDef c2 fill:#90c classDef c3 fill:#99f subgraph Events i1["Workorder (APN: 1418)"] i2["Document (APN: 63)"] id1("Rotable Requirement") TaskCard id3("Check (collection of TCs)") end subgraph id7["Event Definition"] Header subgraph ii2[Where] Effectivity end subgraph ii3[When] id2(Time Requirement) end subgraph id9[How] WorkTemplate Replacement end end subgraph Event Handling id4("Maintenance Event") ---> WO/TC WO/TC ---> Production Production ---> Close Close ---> id8(Report Back) end id7 ---> id4 id2 -.-initialisation-.->id4 Workorder id5("on-wing") id6("off-wing") i2 -.- id5 i2 -.- id6 id1 -.- id5 id1 -.- id6 id5 -.- WorkTemplate id6 -.- Replacement id9:::c1 ii2:::c2 ii3:::c3