diff --git a/src/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view.tsx b/src/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view.tsx
index 1a99666c..631d75f4 100644
--- a/src/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view.tsx
+++ b/src/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view.tsx
@@ -106,20 +106,22 @@ function SlideOverTypeField({
   const linkedService = typeServices.find(
     (service) => String(service.id) === String(draft.serviceId),
   );
-  const registryUnavailable = draft.serviceId != null && (!serviceHistoryReady || !linkedService);
+  const registryUnavailable = draft.serviceId != null && !serviceHistoryReady;
+  const linkedServiceMissing =
+    draft.serviceId != null && serviceHistoryReady && linkedService == null;
 
   return (
     <TypeCell
       value={draft.type}
       severity={draft.severity}
       registryUnavailable={registryUnavailable}
+      registryMissing={linkedServiceMissing}
       serviceHistoryQuery={serviceHistoryQuery}
       onSave={(type, severity) => {
         if (registryUnavailable) return;
         onDraftChange(
           draft.serviceId != null &&
-            linkedService != null &&
-            !serviceSupportsWorkOrderType(linkedService, type)
+            (linkedService == null || !serviceSupportsWorkOrderType(linkedService, type))
             ? { type, severity, serviceId: null, pm: "" }
             : { type, severity },
         );
diff --git a/src/app/(protected)/workorders/_components/list/table/cells/service-notes-dialog.tsx b/src/app/(protected)/workorders/_components/list/table/cells/service-notes-dialog.tsx
index 0705ac47..edd1cf79 100644
--- a/src/app/(protected)/workorders/_components/list/table/cells/service-notes-dialog.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/cells/service-notes-dialog.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useRef, useState } from "react";
+import { useEffect, useRef, useState, type SetStateAction } from "react";
 import { Wrench } from "lucide-react";
 import { Dialog, DialogContent, DialogTitle } from "@mui/material";
 import { WizardServiceNotesFields } from "@/app/(protected)/workorders/_components/wizard/wizard-service-notes-fields";
@@ -16,6 +16,75 @@ export type ServiceNotesDetails = {
   serviceId?: Service["id"] | null;
 };
 
+type ServiceNotesSelectionFieldsProps = {
+  pm: string;
+  extraServices: string[];
+  pmTypes: string[];
+  services?: Service[];
+  serviceQuery?: ServiceRegistryQueryState;
+  serviceOptionsUnavailable: boolean;
+  serviceOptionsEmpty: boolean;
+  sel: string[];
+  onToggle: (value: string, optionId?: string | number) => void;
+  note: string;
+  setNote: (value: string) => void;
+  search: string;
+  setSearch: (value: string) => void;
+  aveta: boolean;
+  setAveta: (value: boolean) => void;
+  viewOnly: boolean;
+};
+
+function ServiceNotesSelectionFields({
+  pm,
+  extraServices,
+  pmTypes,
+  services,
+  serviceQuery,
+  serviceOptionsUnavailable,
+  serviceOptionsEmpty,
+  sel,
+  onToggle,
+  note,
+  setNote,
+  search,
+  setSearch,
+  aveta,
+  setAveta,
+  viewOnly,
+}: ServiceNotesSelectionFieldsProps) {
+  const serviceOptions = services
+    ? [
+        ...services.map((service) => ({ id: service.id, value: service.name })),
+        ...[pm, ...extraServices]
+          .filter((value) => value && !services.some((service) => service.name === value))
+          .map((value) => ({ id: `historical:${value}`, value })),
+      ]
+    : pmTypes.map((value) => ({ id: value, value }));
+
+  return (
+    <fieldset disabled={viewOnly} className="min-w-0 space-y-4 border-0 p-0">
+      <ServiceRegistryStatus
+        query={serviceQuery}
+        empty={serviceOptionsEmpty}
+        emptyMessage="No services are available for this work-order type."
+      />
+      <WizardServiceNotesFields
+        services={serviceOptions}
+        sel={sel}
+        onToggle={onToggle}
+        note={note}
+        setNote={setNote}
+        search={search}
+        setSearch={setSearch}
+        serviceSelectionDisabled={serviceOptionsUnavailable}
+        avetaRequired={aveta}
+        onAvetaRequiredChange={setAveta}
+      />
+    </fieldset>
+  );
+}
+
 type ServiceNotesDialogProps = {
   open: boolean;
   onOpenChange: (open: boolean) => void;
@@ -53,6 +122,96 @@ function selectedServices(pm: string, extraServices: string[]) {
   );
 }
 
+function createServiceSelectionToggle({
+  services,
+  selected,
+  primaryServiceId,
+  serviceIdsByName,
+  setSelected,
+  setPrimaryServiceId,
+  setServiceIdsByName,
+}: {
+  services?: Service[];
+  selected: string[];
+  primaryServiceId?: string | number | null;
+  serviceIdsByName: Record<string, string | number>;
+  setSelected: (value: string[]) => void;
+  setPrimaryServiceId: (value: string | number | null | undefined) => void;
+  setServiceIdsByName: (value: SetStateAction<Record<string, string | number>>) => void;
+}) {
+  return (value: string, optionId?: string | number) => {
+    const option = services?.find((service) => String(service.id) === String(optionId));
+    const optionServiceId = option?.id;
+    const replacesSameLabel =
+      selected[0] === value &&
+      optionServiceId != null &&
+      String(optionServiceId) !== String(primaryServiceId);
+    if (replacesSameLabel) {
+      setPrimaryServiceId(optionServiceId);
+      setServiceIdsByName((current) => ({ ...current, [value]: optionServiceId }));
+      return;
+    }
+    if (selected.includes(value)) {
+      const next = selected.filter((item) => item !== value);
+      setSelected(next);
+      if (selected[0] === value) {
+        const nextName = next[0];
+        const nextService = services?.find((service) => service.name === nextName);
+        setPrimaryServiceId(
+          nextName == null ? undefined : (serviceIdsByName[nextName] ?? nextService?.id),
+        );
+      }
+      return;
+    }
+    setSelected([...selected, value]);
+    if (optionServiceId != null) {
+      setServiceIdsByName((current) => ({ ...current, [value]: optionServiceId }));
+      if (selected.length === 0) setPrimaryServiceId(optionServiceId);
+    }
+  };
+}
+
+function resolveSelectedServiceId({
+  unavailable,
+  selected,
+  currentPm,
+  savedServiceId,
+  selectedServiceId,
+}: {
+  unavailable: boolean;
+  selected: string[];
+  currentPm: string;
+  savedServiceId?: string | number | null;
+  selectedServiceId?: string | number | null;
+}) {
+  if (unavailable) return savedServiceId ?? undefined;
+  if (
+    selected[0] === currentPm &&
+    String(savedServiceId ?? "") === String(selectedServiceId ?? "")
+  ) {
+    return savedServiceId ?? undefined;
+  }
+  if (selected[0] != null && selectedServiceId != null) return selectedServiceId;
+  if (selected[0] === currentPm && savedServiceId != null) return savedServiceId;
+  return savedServiceId == null ? undefined : null;
+}
+
+function getServiceOptionState(
+  services: Service[] | undefined,
+  query: ServiceRegistryQueryState | undefined,
+) {
+  const managed = services !== undefined;
+  return {
+    unavailable: managed && query != null && !query.hasData,
+    empty:
+      managed &&
+      query?.hasData === true &&
+      !query.isLoading &&
+      !query.isError &&
+      services.length === 0,
+  };
+}
+
 function useServiceNotesDraft({
   open,
   target,
@@ -61,6 +220,7 @@ function useServiceNotesDraft({
   extraServices,
   serviceNotes,
   avetaRequired,
+  services,
 }: {
   open: boolean;
   target: DialogTarget;
@@ -69,10 +229,13 @@ function useServiceNotesDraft({
   extraServices: string[];
   serviceNotes: string;
   avetaRequired: boolean;
+  services?: Service[];
 }) {
   const [sel, setSel] = useState<string[]>([]);
   const [note, setNote] = useState("");
   const [aveta, setAveta] = useState(false);
+  const [primaryServiceId, setPrimaryServiceId] = useState<string | number | null | undefined>();
+  const [serviceIdsByName, setServiceIdsByName] = useState<Record<string, string | number>>({});
   const [search, setSearch] = useState("");
   const lastTarget = useRef<DialogTarget | null>(null);
   const { key: targetKey, pm: targetPm, serviceId: targetServiceId } = target;
@@ -85,6 +248,16 @@ function useServiceNotesDraft({
     const previous = lastTarget.current;
     if (previous == null || previous.key !== targetKey) {
       setSel(selectedServices(pm, extraServices));
+      setPrimaryServiceId(serviceId);
+      setServiceIdsByName({
+        ...(serviceId != null ? { [pm]: serviceId } : {}),
+        ...Object.fromEntries(
+          extraServices.flatMap((name) => {
+            const service = services?.find((item) => item.name === name);
+            return service == null ? [] : [[name, service.id]];
+          }),
+        ),
+      });
       setNote(serviceNotes ?? "");
       setAveta(Boolean(avetaRequired));
       setSearch("");
@@ -94,6 +267,7 @@ function useServiceNotesDraft({
       previous.pm !== pm
     ) {
       setSel((current) => (current[0] === previous.pm ? [pm, ...current.slice(1)] : current));
+      setServiceIdsByName((current) => ({ ...current, [pm]: serviceId! }));
     }
     lastTarget.current = { key: targetKey, pm: targetPm, serviceId: targetServiceId };
   }, [
@@ -104,11 +278,25 @@ function useServiceNotesDraft({
     pm,
     serviceId,
     extraServices,
+    services,
     serviceNotes,
     avetaRequired,
   ]);
 
-  return { sel, setSel, note, setNote, aveta, setAveta, search, setSearch };
+  return {
+    sel,
+    setSel,
+    note,
+    setNote,
+    aveta,
+    setAveta,
+    search,
+    setSearch,
+    primaryServiceId,
+    setPrimaryServiceId,
+    serviceIdsByName,
+    setServiceIdsByName,
+  };
 }
 
 export function ServiceNotesDialog({
@@ -127,7 +315,20 @@ export function ServiceNotesDialog({
   onSave,
 }: ServiceNotesDialogProps) {
   const target = getDialogTarget(woNumber, serviceId, pm);
-  const { sel, setSel, note, setNote, aveta, setAveta, search, setSearch } = useServiceNotesDraft({
+  const {
+    sel,
+    setSel,
+    note,
+    setNote,
+    aveta,
+    setAveta,
+    search,
+    setSearch,
+    primaryServiceId,
+    setPrimaryServiceId,
+    serviceIdsByName,
+    setServiceIdsByName,
+  } = useServiceNotesDraft({
     open,
     target,
     pm,
@@ -135,37 +336,27 @@ export function ServiceNotesDialog({
     extraServices,
     serviceNotes,
     avetaRequired,
+    services,
   });
 
-  const toggle = (value: string) => {
-    setSel((cur) => (cur.includes(value) ? cur.filter((x) => x !== value) : [...cur, value]));
-  };
-
-  const serviceOptions = services
-    ? [
-        ...services.map((service) => ({ id: service.id, value: service.name })),
-        ...[pm, ...extraServices]
-          .filter((value) => value && !services.some((service) => service.name === value))
-          .map((value) => ({ id: `historical:${value}`, value })),
-      ]
-    : pmTypes.map((value) => ({ id: value, value }));
-  const saveServiceId = () => {
-    if (serviceOptionsUnavailable) return serviceId ?? undefined;
-    const selectedId = services?.find((service) => service.name === sel[0])?.id;
-    if (selectedId != null) return selectedId;
-    if (sel[0] === pm) return serviceId ?? undefined;
-    return serviceId == null ? undefined : null;
-  };
-  const registryManaged = services !== undefined;
-  const serviceOptionsUnavailable =
-    registryManaged && serviceQuery != null && !serviceQuery.hasData;
-  const serviceOptionsEmpty =
-    registryManaged &&
-    serviceQuery?.hasData === true &&
-    !serviceQuery.isLoading &&
-    !serviceQuery.isError &&
-    services.length === 0;
-
+  const toggle = createServiceSelectionToggle({
+    services,
+    selected: sel,
+    primaryServiceId,
+    serviceIdsByName,
+    setSelected: setSel,
+    setPrimaryServiceId,
+    setServiceIdsByName,
+  });
+  const optionState = getServiceOptionState(services, serviceQuery);
+  const saveServiceId = () =>
+    resolveSelectedServiceId({
+      unavailable: optionState.unavailable,
+      selected: sel,
+      currentPm: pm,
+      savedServiceId: serviceId,
+      selectedServiceId: primaryServiceId,
+    });
   return (
     <Dialog
       open={open}
@@ -191,25 +382,24 @@ export function ServiceNotesDialog({
         onClick={(e) => e.stopPropagation()}
         style={{ paddingTop: 8 }}
       >
-        <fieldset disabled={viewOnly} className="min-w-0 space-y-4 border-0 p-0">
-          <ServiceRegistryStatus
-            query={serviceQuery}
-            empty={serviceOptionsEmpty}
-            emptyMessage="No services are available for this work-order type."
-          />
-          <WizardServiceNotesFields
-            services={serviceOptions}
-            sel={sel}
-            onToggle={toggle}
-            note={note}
-            setNote={setNote}
-            search={search}
-            setSearch={setSearch}
-            serviceSelectionDisabled={serviceOptionsUnavailable}
-            avetaRequired={aveta}
-            onAvetaRequiredChange={setAveta}
-          />
-        </fieldset>
+        <ServiceNotesSelectionFields
+          pm={pm}
+          extraServices={extraServices}
+          pmTypes={pmTypes}
+          services={services}
+          serviceQuery={serviceQuery}
+          serviceOptionsUnavailable={optionState.unavailable}
+          serviceOptionsEmpty={optionState.empty}
+          sel={sel}
+          onToggle={toggle}
+          note={note}
+          setNote={setNote}
+          search={search}
+          setSearch={setSearch}
+          aveta={aveta}
+          setAveta={setAveta}
+          viewOnly={viewOnly}
+        />
         <div className="mt-2 flex items-center justify-end gap-2">
           {viewOnly ? (
             <Button
diff --git a/src/app/(protected)/workorders/_components/list/table/cells/type-cell.tsx b/src/app/(protected)/workorders/_components/list/table/cells/type-cell.tsx
index 63c056ec..07bde236 100644
--- a/src/app/(protected)/workorders/_components/list/table/cells/type-cell.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/cells/type-cell.tsx
@@ -22,6 +22,7 @@ type TypeCellProps = {
   q?: string;
   viewOnly?: boolean;
   registryUnavailable?: boolean;
+  registryMissing?: boolean;
   serviceHistoryQuery?: ServiceRegistryQueryState;
   onSave: (type: WOType, severity: WorkOrderSeverity | null) => void;
 };
@@ -39,6 +40,7 @@ export function TypeCell({
   q,
   viewOnly = false,
   registryUnavailable = false,
+  registryMissing = false,
   serviceHistoryQuery,
   onSave,
 }: TypeCellProps) {
@@ -127,6 +129,12 @@ export function TypeCell({
       </Popover>
 
       {registryUnavailable && <ServiceRegistryStatus query={serviceHistoryQuery} unavailable />}
+      {registryMissing && (
+        <div className="text-xs text-muted-foreground" role="status">
+          This linked service is no longer in the registry. Changing type clears its assignment; add
+          a replacement in Service &amp; Notes if needed.
+        </div>
+      )}
 
       <TypeSeverityModal
         open={modalOpen}
diff --git a/src/app/(protected)/workorders/_components/list/table/save-existing-row-type.ts b/src/app/(protected)/workorders/_components/list/table/save-existing-row-type.ts
index e1ce8b1b..aedd4b4d 100644
--- a/src/app/(protected)/workorders/_components/list/table/save-existing-row-type.ts
+++ b/src/app/(protected)/workorders/_components/list/table/save-existing-row-type.ts
@@ -38,11 +38,10 @@ export function saveExistingRowType({
   const selectedService = serviceHistoryReady
     ? serviceHistory.find((service) => String(service.id) === String(row.serviceId))
     : undefined;
-  if (row.serviceId != null && selectedService == null) return false;
   const clearService =
     row.serviceId != null &&
-    selectedService != null &&
-    !serviceSupportsWorkOrderType(selectedService, type);
+    (selectedService == null || !serviceSupportsWorkOrderType(selectedService, type));
+  if (row.serviceId != null && !serviceHistoryReady) return false;
   const patch = clearService ? { type, severity, serviceId: null, pm: "" } : { type, severity };
   if (!shouldAnnounceSeverityEscalation(row.severity, severity)) {
     onPatch(row.id, patch);
diff --git a/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx b/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
index 0ac3f193..2183154c 100644
--- a/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
@@ -63,10 +63,11 @@ function WoTableRowTypeCell({
   mutationCellStyle,
 }: WoTableRowTypeCellProps) {
   const typeServices = serviceHistory ?? services;
-  const linkedServiceUnavailable =
+  const linkedServiceUnavailable = row.serviceId != null && !serviceHistoryReady;
+  const linkedServiceMissing =
     row.serviceId != null &&
-    (!serviceHistoryReady ||
-      !typeServices.some((service) => String(service.id) === String(row.serviceId)));
+    serviceHistoryReady &&
+    !typeServices.some((service) => String(service.id) === String(row.serviceId));
 
   return (
     <td
@@ -80,6 +81,7 @@ function WoTableRowTypeCell({
         q={search}
         viewOnly={isWorkOrderCompletionSurfaceReadOnly(row.status)}
         registryUnavailable={linkedServiceUnavailable}
+        registryMissing={linkedServiceMissing}
         serviceHistoryQuery={serviceHistoryQuery}
         onSave={(type, severity) =>
           saveExistingRowType({
diff --git a/src/app/(protected)/workorders/_components/wizard/wizard-service-notes-fields.tsx b/src/app/(protected)/workorders/_components/wizard/wizard-service-notes-fields.tsx
index 9ba59a4f..e20543a6 100644
--- a/src/app/(protected)/workorders/_components/wizard/wizard-service-notes-fields.tsx
+++ b/src/app/(protected)/workorders/_components/wizard/wizard-service-notes-fields.tsx
@@ -10,7 +10,7 @@ import {
 type WizardServiceNotesFieldsProps = {
   services: { id: string | number; value: string }[];
   sel: string[];
-  onToggle: (service: string) => void;
+  onToggle: (service: string, serviceId?: string | number) => void;
   note: string;
   setNote: (v: string) => void;
   search: string;
@@ -83,7 +83,7 @@ export function WizardServiceNotesFields({
               <button
                 key={String(s.id)}
                 type="button"
-                onClick={() => onToggle(s.value)}
+                onClick={() => onToggle(s.value, s.id)}
                 disabled={serviceSelectionDisabled}
                 className="flex w-full items-center gap-2 px-2 py-1.5 text-left transition-colors hover:bg-[#F9FAFB]"
               >
diff --git a/src/test/app/(protected)/workorders/aveta-service-notes.test.tsx b/src/test/app/(protected)/workorders/aveta-service-notes.test.tsx
index 86b66331..d2aa4c4f 100644
--- a/src/test/app/(protected)/workorders/aveta-service-notes.test.tsx
+++ b/src/test/app/(protected)/workorders/aveta-service-notes.test.tsx
@@ -333,6 +333,76 @@ describe("Aveta Service & Notes", () => {
     );
   });
 
+  it("keeps a historical service ID when an active service reuses its label", () => {
+    const onSave = vi.fn();
+    renderWithProviders(
+      <ServiceNotesDialog
+        open
+        onOpenChange={vi.fn()}
+        pm="Retired Service"
+        serviceId={1}
+        extraServices={[]}
+        serviceNotes="Saved notes"
+        pmTypes={[]}
+        services={[serviceDefinition(2, "Retired Service")]}
+        serviceQuery={{
+          isLoading: false,
+          isError: false,
+          isFetching: false,
+          hasData: true,
+          retry: vi.fn(),
+        }}
+        onSave={onSave}
+      />,
+      { withAuth: false },
+    );
+
+    fireEvent.change(screen.getByPlaceholderText(/describe the specific issue/i), {
+      target: { value: "Edited notes only" },
+    });
+    fireEvent.click(screen.getByRole("button", { name: "Save" }));
+
+    expect(onSave).toHaveBeenCalledWith(
+      expect.objectContaining({
+        serviceId: 1,
+        pm: "Retired Service",
+        serviceNotes: "Edited notes only",
+      }),
+    );
+  });
+
+  it("replaces a colliding historical service only after explicit same-label selection", () => {
+    const onSave = vi.fn();
+    renderWithProviders(
+      <ServiceNotesDialog
+        open
+        onOpenChange={vi.fn()}
+        pm="Retired Service"
+        serviceId={1}
+        extraServices={[]}
+        serviceNotes="Saved notes"
+        pmTypes={[]}
+        services={[serviceDefinition(2, "Retired Service")]}
+        serviceQuery={{
+          isLoading: false,
+          isError: false,
+          isFetching: false,
+          hasData: true,
+          retry: vi.fn(),
+        }}
+        onSave={onSave}
+      />,
+      { withAuth: false },
+    );
+
+    fireEvent.click(screen.getByRole("button", { name: /Retired ServicePrimary/i }));
+    fireEvent.click(screen.getByRole("button", { name: "Save" }));
+
+    expect(onSave).toHaveBeenCalledWith(
+      expect.objectContaining({ serviceId: 2, pm: "Retired Service" }),
+    );
+  });
+
   it("shows the Aveta shield on the Service cell when required", () => {
     renderWithProviders(
       <PMTypeCell
diff --git a/src/test/app/(protected)/workorders/save-existing-row-type.test.ts b/src/test/app/(protected)/workorders/save-existing-row-type.test.ts
index 63574348..05cae6bb 100644
--- a/src/test/app/(protected)/workorders/save-existing-row-type.test.ts
+++ b/src/test/app/(protected)/workorders/save-existing-row-type.test.ts
@@ -151,6 +151,25 @@ describe("saveExistingRowType", () => {
     });
   });
 
+  it("clears a settled missing service before changing type", () => {
+    const onPatch = vi.fn();
+
+    const saved = saveExistingRowType({
+      onPatch,
+      row: { ...row, serviceId: 799 },
+      type: "Emergency",
+      severity: 2,
+      serviceHistory: [],
+      serviceHistoryReady: true,
+    });
+
+    expect(saved).toBe(true);
+    expect(onPatch.mock.calls[0]?.slice(0, 2)).toEqual([
+      7,
+      { type: "Emergency", severity: 2, serviceId: null, pm: "" },
+    ]);
+  });
+
   it("defers a linked service type change when history has not loaded", () => {
     const onPatch = vi.fn();
     const inactiveService: Service = {
diff --git a/src/test/app/(protected)/workorders/settled-missing-service-type-recovery.test.tsx b/src/test/app/(protected)/workorders/settled-missing-service-type-recovery.test.tsx
new file mode 100644
index 00000000..694be538
--- /dev/null
+++ b/src/test/app/(protected)/workorders/settled-missing-service-type-recovery.test.tsx
@@ -0,0 +1,159 @@
+import { fireEvent, screen } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
+import { WoTableRowCells } from "@/app/(protected)/workorders/_components/list/table/wo-table-row-cells";
+import { SlideOverInfoTabEditView } from "@/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view";
+import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
+import type { WoTableRowHandlers } from "@/app/(protected)/workorders/_components/list/table/wo-table-row";
+import { renderWithProviders } from "@/test/test-utils";
+
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/site-cell", () => ({
+  SiteCell: () => null,
+}));
+vi.mock(
+  "@/app/(protected)/workorders/_components/list/table/cells/editable-wo-number-cell",
+  () => ({
+    EditableWONumberCell: () => null,
+  }),
+);
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/assigned-to-cell", () => ({
+  AssignedToCell: () => null,
+}));
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/date-cell", () => ({
+  DateCell: () => null,
+}));
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/due-date-cell", () => ({
+  DueDateCell: () => null,
+}));
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/appt-time-cell", () => ({
+  ApptTimeCell: () => null,
+}));
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/vendor-cell", () => ({
+  VendorCell: () => null,
+}));
+vi.mock("@/app/(protected)/workorders/_components/list/table/cells/status-cell", () => ({
+  StatusCell: () => null,
+}));
+
+function row(overrides: Partial<WorkOrderTableRow> = {}): WorkOrderTableRow {
+  return {
+    id: 7,
+    woNumber: "WO-7",
+    site: "SEA1",
+    type: "PM",
+    severity: null,
+    dispatcherId: "u1",
+    dispatcherName: "Dispatcher",
+    scheduledOn: "2026-07-20",
+    completedDate: "",
+    targetWeek: "",
+    dayGroup: "07/20",
+    dayLabel: "Mon",
+    location: "Seattle",
+    locationId: "loc-1",
+    pm: "Deleted service",
+    serviceId: 799,
+    serviceNotes: "Keep these notes",
+    extraServices: [],
+    company: "Vendor",
+    tech: "Tech",
+    techPhone: "",
+    vendorId: "v1",
+    apptStart: "",
+    apptEnd: "",
+    apptTime: "",
+    status: "Scheduled",
+    docStatus: "No",
+    pocName: "",
+    pocPhone: "",
+    pocNotes: "",
+    additionalContacts: [],
+    dueDate: "",
+    rescheduleCount: 0,
+    carriedOver: 0,
+    isAddOn: false,
+    originalWeek: "",
+    originalDate: "",
+    isPastDue: false,
+    scheduleWeekOnly: false,
+    mediaCount: 0,
+    title: "",
+    priority: "",
+    primaryDispatchId: null,
+    rowVersion: "row-v1",
+    dispatchRowVersion: "",
+    flagColor: null,
+    ...overrides,
+  };
+}
+
+function chooseEmergency() {
+  fireEvent.click(screen.getByRole("button", { name: "Type of WO, PM" }));
+  fireEvent.click(screen.getByRole("button", { name: "Emergency" }));
+  fireEvent.click(screen.getByRole("button", { name: /SEV 2/ }));
+  fireEvent.click(screen.getByRole("button", { name: "Save" }));
+}
+
+describe("settled missing service type recovery", () => {
+  it("offers an enabled table type change and clears only the missing service link", () => {
+    const onPatch = vi.fn();
+    renderWithProviders(
+      <table>
+        <tbody>
+          <tr>
+            <WoTableRowCells
+              row={row()}
+              allRows={[]}
+              users={[]}
+              sites={[]}
+              serviceHistory={[]}
+              serviceHistoryReady
+              handlers={{ onPatch } as unknown as WoTableRowHandlers}
+              onPatchRow={vi.fn()}
+            />
+          </tr>
+        </tbody>
+      </table>,
+      { withAuth: false },
+    );
+
+    const typeButton = screen.getByRole("button", { name: "Type of WO, PM" });
+    expect(typeButton).toBeEnabled();
+    expect(screen.getByText(/no longer in the registry/i)).toBeInTheDocument();
+    chooseEmergency();
+
+    expect(onPatch.mock.calls[0]?.slice(0, 2)).toEqual([
+      7,
+      { type: "Emergency", severity: 2, serviceId: null, pm: "" },
+    ]);
+  });
+
+  it("lets slide-over users recover while retaining notes and other identity fields", () => {
+    const onDraftChange = vi.fn();
+    renderWithProviders(
+      <SlideOverInfoTabEditView
+        draft={row()}
+        users={[]}
+        sites={[]}
+        vendors={[]}
+        pmTypes={[]}
+        services={[]}
+        serviceHistory={[]}
+        serviceHistoryReady
+        allOrders={[]}
+        onDraftChange={onDraftChange}
+      />,
+      { withAuth: false },
+    );
+
+    expect(screen.getByText(/no longer in the registry/i)).toBeInTheDocument();
+    chooseEmergency();
+
+    expect(onDraftChange).toHaveBeenCalledWith({
+      type: "Emergency",
+      severity: 2,
+      serviceId: null,
+      pm: "",
+    });
+    expect(onDraftChange.mock.calls[0]?.[0]).not.toHaveProperty("serviceNotes");
+  });
+});