diff --git a/src/services/PluralisticDeliberationOrchestrator.service.js b/src/services/PluralisticDeliberationOrchestrator.service.js
index d28aa0aa..1a2f029e 100644
--- a/src/services/PluralisticDeliberationOrchestrator.service.js
+++ b/src/services/PluralisticDeliberationOrchestrator.service.js
@@ -755,12 +755,8 @@ class PluralisticDeliberationOrchestrator {
       assessment.recommended_action = 'SUGGEST_ADAPTATION';
     }
 
-    // Audit log
-    this._auditCulturalSensitivity(assessment).catch(error => {
-      logger.error('[PluralisticDeliberationOrchestrator] Failed to audit cultural sensitivity check', {
-        error: error.message
-      });
-    });
+    // Audit log (await to ensure it completes before method returns)
+    await this._auditCulturalSensitivity(assessment);
 
     logger.info('[PluralisticDeliberationOrchestrator] Cultural sensitivity assessment complete', {
       risk_level: assessment.risk_level,
@@ -854,29 +850,45 @@ class PluralisticDeliberationOrchestrator {
    * @private
    */
   async _auditCulturalSensitivity(assessment) {
-    try {
-      const memoryProxy = await getMemoryProxy();
-      const collection = await memoryProxy.getCollection('auditLogs');
+    if (!this.memoryProxyInitialized) {
+      logger.debug('[PluralisticDeliberationOrchestrator] Cultural sensitivity audit skipped - MemoryProxy not initialized');
+      return;
+    }
 
-      await collection.insertOne({
-        timestamp: new Date(),
+    try {
+      await this.memoryProxy.auditDecision({
+        sessionId: assessment.context.sessionId || 'cultural-sensitivity-check',
+        action: 'cultural_sensitivity_assessment',
         service: 'PluralisticDeliberationOrchestrator',
-        action: 'cultural_sensitivity_check',
         decision: assessment.recommended_action,
-        context: {
+        rulesChecked: ['inst_081'], // Phase 3 Cultural Sensitivity rule
+        violations: assessment.culturally_sensitive ? [] : assessment.concerns.map(c => ({
+          ruleId: 'inst_081',
+          severity: assessment.risk_level,
+          description: c.detail,
+          context: c.audience_context
+        })),
+        metadata: {
           content_type: assessment.context.content_type,
           audience: assessment.context.audience,
           risk_level: assessment.risk_level,
           concerns_count: assessment.concerns.length,
-          culturally_sensitive: assessment.culturally_sensitive
-        },
-        metadata: {
+          culturally_sensitive: assessment.culturally_sensitive,
           concerns: assessment.concerns,
-          suggestions: assessment.suggestions
+          suggestions: assessment.suggestions,
+          recommended_action: assessment.recommended_action
         }
       });
+
+      logger.debug('[PluralisticDeliberationOrchestrator] Cultural sensitivity audit logged', {
+        risk_level: assessment.risk_level,
+        decision: assessment.recommended_action
+      });
     } catch (error) {
-      logger.error('[PluralisticDeliberationOrchestrator] Failed to create audit log', { error: error.message });
+      logger.error('[PluralisticDeliberationOrchestrator] Failed to audit cultural sensitivity', {
+        error: error.message,
+        stack: error.stack
+      });
     }
   }