diff --git a/B05_Profile/B05_Profile_UI_Structures_Panel.ts b/B05_Profile/B05_Profile_UI_Structures_Panel.ts
index 207781293..81f728bd9 100644
--- a/B05_Profile/B05_Profile_UI_Structures_Panel.ts
+++ b/B05_Profile/B05_Profile_UI_Structures_Panel.ts
@@ -573,8 +573,16 @@ export function createStructuresSection(
     },
     getStructures: () => [...structures],
     setPipeFacilities(pipes) {
+      const before = pipeFacilities;
       pipeFacilities = pipes.map((pipe) => ({ ...pipe }));
       followPipeList(panelContext, pipeFacilities);
+      // 열린 관 폼 — 값이 밖에서 바뀌면(되돌리기 · 다른 보기) 새 값으로 다시 엶 · 고치던 실시간 반영 · 임시 배치는
+      // 둠(472-5 · 옛 칸 값이 다음 조작에 되쓰이던 흠)
+      const at = selectedPipeChainage;
+      if (at === null || applyingLive || tempPipeChainage !== null) return;
+      const near = (pipe: PipeFacilityItem) => Math.abs(pipe.chainage_m - at) < PIPE_MATCH_M;
+      const now = pipeFacilities.find(near);
+      if (now && JSON.stringify(now) !== JSON.stringify(before.find(near))) loadPipeForm(now);
     },
     selectPipeByChainage(chainageM) {
       if (chainageM !== null) callbacks.onReveal?.();
diff --git a/resources/tester/test_472_5_shop_owner.py b/resources/tester/test_472_5_shop_owner.py
index e288c3736..3ed88db8b 100644
--- a/resources/tester/test_472_5_shop_owner.py
+++ b/resources/tester/test_472_5_shop_owner.py
@@ -116,5 +116,9 @@ def test_배선() -> None:
     assert panel.index("seen.structures = JSON.stringify(structures);") < panel.index(
         "writePendingStructures(deps.projectId, structures);"
     )
+    # 열린 관 폼 — 밖에서 바뀐 값(되돌리기 · 다른 보기)으로 다시 엶(옛 칸 값 되쓰던 흠)
+    form = _read("B05_Profile", "B05_Profile_UI_Structures_Panel.ts")
+    assert "if (at === null || applyingLive || tempPipeChainage !== null) return;" in form
+    assert "JSON.stringify(now) !== JSON.stringify(before.find(near))) loadPipeForm(now);" in form
     history = _read("B05_Profile", "B05_Profile_UI_Profile_History.ts")
     assert "announceDesignStore(projectId);" in history