diff --git a/src/app/(dashboard)/jobs/[jobId]/components/job-actions-panel.tsx b/src/app/(dashboard)/jobs/[jobId]/components/job-actions-panel.tsx
index b4c54ca..a5744a6 100644
--- a/src/app/(dashboard)/jobs/[jobId]/components/job-actions-panel.tsx
+++ b/src/app/(dashboard)/jobs/[jobId]/components/job-actions-panel.tsx
@@ -9,6 +9,7 @@ import {
   Loader2,
   PackageCheck,
   Play,
+  RotateCcw,
   Send,
   X,
 } from "lucide-react";
@@ -32,6 +33,7 @@ import {
   cancelJobAction,
   handToClinicAction,
   markDeliveredAction,
+  requestRevisionAction,
 } from "@/lib/appwrite/job-actions";
 import { initialJobActionState } from "@/lib/appwrite/job-types";
 import type { Job, TenantKind } from "@/lib/appwrite/schema";
@@ -67,7 +69,10 @@ export function JobActionsPanel({
 
       {/* Clinic finished the prova — approve and send back to lab */}
       {isClinic && job.status === "in_progress" && isAtClinic && (
-        <ApproveAtClinicButton job={job} />
+        <>
+          <ApproveAtClinicButton job={job} />
+          <RequestRevisionButton job={job} />
+        </>
       )}
 
       {/* Final delivery — clinic took it from the lab */}
@@ -236,6 +241,68 @@ function ApproveAtClinicButton({ job }: { job: Job }) {
   );
 }
 
+function RequestRevisionButton({ job }: { job: Job }) {
+  const router = useRouter();
+  const [state, action, pending] = useActionState(
+    requestRevisionAction,
+    initialJobActionState,
+  );
+  const [open, setOpen] = useState(false);
+
+  useEffect(() => {
+    if (state.ok) {
+      toast.success("Düzeltme talebi gönderildi.");
+      setOpen(false);
+      router.refresh();
+    } else if (state.error) {
+      toast.error(state.error);
+    }
+  }, [state, router]);
+
+  return (
+    <Dialog open={open} onOpenChange={setOpen}>
+      <Button variant="outline" onClick={() => setOpen(true)}>
+        <RotateCcw className="size-4" />
+        Düzeltme İste
+      </Button>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>Provayı reddet, lab&apos;a geri gönder</DialogTitle>
+          <DialogDescription>
+            Bu aşamayı reddettiğinizde iş aynı adımda kalır ve laboratuvar
+            yeniden çalışır. Neyin düzeltilmesi gerektiğini lütfen yazın.
+          </DialogDescription>
+        </DialogHeader>
+        <form action={action} className="grid gap-3">
+          <input type="hidden" name="jobId" value={job.$id} />
+          <div className="grid gap-2">
+            <Label htmlFor="note">Düzeltme notu *</Label>
+            <Textarea
+              id="note"
+              name="note"
+              rows={4}
+              required
+              maxLength={1000}
+              placeholder="Örn. Distalde temas yok, oklüzyon yüksek geldi."
+            />
+          </div>
+          <DialogFooter>
+            <DialogClose asChild>
+              <Button type="button" variant="outline">
+                Vazgeç
+              </Button>
+            </DialogClose>
+            <Button type="submit" variant="destructive" disabled={pending}>
+              {pending ? <Loader2 className="size-4 animate-spin" /> : <RotateCcw className="size-4" />}
+              Düzeltme İste
+            </Button>
+          </DialogFooter>
+        </form>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
 function DeliverButton({ jobId }: { jobId: string }) {
   const router = useRouter();
   const [state, action, pending] = useActionState(markDeliveredAction, initialJobActionState);
diff --git a/src/lib/appwrite/job-actions.ts b/src/lib/appwrite/job-actions.ts
index b013168..2ebffaf 100644
--- a/src/lib/appwrite/job-actions.ts
+++ b/src/lib/appwrite/job-actions.ts
@@ -522,6 +522,95 @@ export async function approveAtClinicAction(
   return { ok: true };
 }
 
+/**
+ * Clinic rejects the prova and asks the lab to redo this stage. The job
+ * goes back to the lab without advancing the step, so the same prova
+ * stage will repeat after the lab finishes the rework. A note explaining
+ * what's wrong is required — there's no point bouncing a case back
+ * without telling the lab what to fix.
+ */
+export async function requestRevisionAction(
+  _prev: JobActionState,
+  formData: FormData,
+): Promise<JobActionState> {
+  const jobId = String(formData.get("jobId") ?? "").trim();
+  if (!jobId) return { ok: false, error: "İş bulunamadı." };
+  const note = String(formData.get("note") ?? "").trim();
+  if (!note) {
+    return {
+      ok: false,
+      error: "Düzeltme talebi için neyin yanlış olduğunu yazmanız gerek.",
+    };
+  }
+
+  let ctx;
+  try {
+    ctx = await requireTenant();
+    requireRole(ctx, ["owner", "admin", "member"]);
+    requireTenantKind(ctx, ["clinic"]);
+  } catch {
+    return { ok: false, error: "Düzeltme talebini yalnızca klinik açabilir." };
+  }
+
+  const job = await loadJobForTenant(jobId, ctx.tenantId);
+  if (!job || job.clinicTenantId !== ctx.tenantId) {
+    return { ok: false, error: "İş bulunamadı." };
+  }
+  if (job.status !== "in_progress") {
+    return { ok: false, error: "Yalnızca işlemdeki provalar için düzeltme istenebilir." };
+  }
+  if (job.location !== "at_clinic") {
+    return { ok: false, error: "İş şu an klinikte değil." };
+  }
+  if (!job.currentStep) {
+    return { ok: false, error: "Mevcut aşama bilinmiyor." };
+  }
+
+  try {
+    const { tablesDB } = createAdminClient();
+    await tablesDB.updateRow(DATABASE_ID, TABLES.jobs, jobId, {
+      location: "at_lab",
+      // currentStep stays the same — the lab will rework this stage.
+    });
+    await appendJobHistory({
+      job,
+      step: job.currentStep,
+      completedBy: ctx.user.id,
+      note: `[Düzeltme talebi] ${note}`,
+    });
+    void logAudit({
+      tenantId: ctx.tenantId,
+      userId: ctx.user.id,
+      action: "update",
+      entityType: "job",
+      entityId: jobId,
+      changes: {
+        location: "at_lab",
+        revisionRequestedAtStep: job.currentStep,
+        note,
+      },
+    });
+    const stepLabel =
+      job.currentStep === "alt_yapi_prova"
+        ? "alt yapı"
+        : job.currentStep === "ust_yapi_prova"
+          ? "üst yapı"
+          : "cila/bitim";
+    void createNotification({
+      tenantId: job.labTenantId,
+      jobId,
+      message: `Hasta ${job.patientCode} ${stepLabel} provası için düzeltme istendi: ${note.slice(0, 120)}`,
+    });
+  } catch (e) {
+    return { ok: false, error: appwriteError(e, "Düzeltme talebi gönderilemedi.") };
+  }
+
+  revalidatePath(`/jobs/${jobId}`);
+  revalidatePath("/jobs/inbound");
+  revalidatePath("/jobs/outbound");
+  return { ok: true };
+}
+
 export async function markDeliveredAction(
   _prev: JobActionState,
   formData: FormData,