diff --git a/scripts/pp-test.sh b/scripts/pp-test.sh
index 5c87889..a7a12fd 100755
--- a/scripts/pp-test.sh
+++ b/scripts/pp-test.sh
@@ -68,9 +68,12 @@ do_preflight() {
     rtt=$(ssh_claw "ping -c 5 -W 2 192.168.0.235 | tail -1" | grep -oE '[0-9.]+/[0-9.]+ ms' | head -1 || true)
     log "  rtt: ${rtt:-unknown}"
 
-    log "preflight: production services"
-    ssh_claw   "$SUDO systemctl is-active frank-default-large"  2>/dev/null || true
-    ssh_server "$SUDO systemctl is-active frank-default-small" 2>/dev/null || true
+    log "preflight: production services (health endpoint = no sudo needed)"
+    local h1 h2
+    h1=$(ssh_claw   "curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:7770/health 2>/dev/null || true")
+    h2=$(ssh_server "curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:7770/health 2>/dev/null || true")
+    log "  frank-default-large:  ${h1:-no-response}"
+    log "  frank-default-small:  ${h2:-no-response}"
     log "preflight OK"
 }