diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/StationTestView.js b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/StationTestView.js
index 5d11f32de742c49355f3fb4d86da2f8ec07f23a9..6a351c92dfffb0031a283f5f75adab0a05631c7a 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/StationTestView.js
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/StationTestView.js
@@ -45,7 +45,7 @@ class GenericStatusTdC extends Component {
     onMouseOver = (e) => {
         e.stopPropagation();
         if (this.props.n_errors > 0) {
-            this.props.onSelect(this.props.errors);
+            this.props.onSelect(this.props.data);
         }
     };
 
@@ -66,7 +66,7 @@ class GenericStatusTdC extends Component {
     onContextMenu = (e) => {
         e.preventDefault();
         if (this.props.n_errors > 0) {
-            this.props.onSelect(this.props.errors, true);
+            this.props.onSelect(this.props.data, true);
         }
     };
 
@@ -100,12 +100,12 @@ class TestLineC extends Component {
 
     shouldHighlight() {
         const props = this.props,
-            data = props.highlightData;
+              errorData = props.highlightData;
 
-        return data !== null &&
-            data.component_type === props.component_type &&
-            data.test_type === props.test_type &&
-            data.datetime === TestLineC.formatDate(props.data.start_date);
+        return errorData !== null &&
+            errorData.component_type === props.component_type &&
+            errorData.test_type === props.test_type &&
+            errorData.datetime === TestLineC.formatDate(props.data.start_date);
     }
 
     shouldComponentUpdate(nextProps, nextState, nextContext) {
@@ -125,31 +125,35 @@ class TestLineC extends Component {
 
     renderComponentErrors() {
         const componentErrors = this.props.data.component_errors;
+
         const renderedComponentErrors = this.props.ordered_component_ids.map((component_id, key) => {
-            let nErrors = 0;
-            let errors = [];
-            let errorDetails = {};
+            let nErrors = 0,
+                errors = [],
+                errorData = {};
+
             if (componentErrors.hasOwnProperty(component_id)) {
-                nErrors = Object.keys(componentErrors[component_id]).length;
                 errors = componentErrors[component_id];
-                errorDetails.errors = errors;
-                errorDetails.datetime= TestLineC.formatDate(this.props.data.start_date);
-                errorDetails.test_type = this.props.test_type;
-                errorDetails.component_id = component_id;
-                errorDetails.component_type = this.props.component_type;
+                nErrors = Object.keys(errors).length;
+
+                // Data for child panel and checking if an antenna item must be highlighted permanently (see shouldHighlight)
+                errorData.errors = errors;
+                errorData.datetime= TestLineC.formatDate(this.props.data.start_date);
+                errorData.test_type = this.props.test_type;
+                errorData.component_id = component_id;
+                errorData.component_type = this.props.component_type;
             }
 
             return <GenericStatusTd
                 doHighlight={this.doHighlight && component_id === this.props.highlightData.component_id}
                 key={key}
-                errors={errorDetails}
+                data={errorData}
                 antenna_id={component_id}
                 antenna_type={this.props.component_type}
                 station_name={this.props.station_name}
                 n_errors={nErrors}
-                onSelect={this.onSelect}
-            />
+                onSelect={this.onSelect} />
         });
+
         return renderedComponentErrors;
     }
 
@@ -182,19 +186,8 @@ const TestLine = connect(state => {
 
 class RTSMSummaryLine extends Component {
 
-    constructor(props) {
-        super(props);
-        this.state = {displaySingleTests: false}
-    }
-
-    renderTestLine(key, data, component_id_list) {
-        return (<TestLine className="collapse open"
-                          key={key}
-                          ordered_component_ids={component_id_list}
-                          test_type="RT"
-                          station_name={this.props.station_name}
-                          component_type={this.props.component_type}
-                          station_type={this.props.station_type} data={data}/>)
+    state = {
+        displaySingleTests: false
     }
 
     renderTestSummaryLine(data, component_id_list) {
@@ -235,17 +228,13 @@ class RTSMSummaryLine extends Component {
         let summary = this.computeSummary();
         const component_id_list = this.props.ordered_component_ids;
         const summaryLine = this.renderTestSummaryLine(summary, component_id_list);
-        let jsx;
-        let all_rtsm;
 
-        if (this.state.displaySingleTests) {
-            all_rtsm = this.props.data.map((item, key) => this.renderTestLine(key, item, component_id_list))
-        }
+        let all_rtsm = this.state.displaySingleTests ? this.props.data : [];
 
         let  dropdownAdditionStyles = classNames(
             'dropdownbutton', {'dropdownbutton-up': this.state.displaySingleTests});
 
-        jsx = (
+        return (
             <React.Fragment>
                 <tr className='stv-rtsm-summary-row'>
                     <td className="row-header" onClick={this.toggleDisplaySingleTests}>
@@ -254,12 +243,19 @@ class RTSMSummaryLine extends Component {
                     </td>
                     {summaryLine}
                 </tr>
-                {all_rtsm}
+                {   // All RTSM lines in this block (expanded or folded)
+                    all_rtsm.map((item, key) =>
+                        <TestLine className="collapse open"
+                            key={key}
+                            ordered_component_ids={component_id_list}
+                            test_type="RT"
+                            station_name={this.props.station_name}
+                            component_type={this.props.component_type}
+                            station_type={this.props.station_type} data={item}/>
+                    )
+                }
             </React.Fragment>
         );
-
-
-        return jsx;
     }
 }