diff --git a/Service/ServiceUtils/AiContextLoader.cs b/Service/ServiceUtils/AiContextLoader.cs
index b409ad7ac..795867965 100644
--- a/Service/ServiceUtils/AiContextLoader.cs
+++ b/Service/ServiceUtils/AiContextLoader.cs
@@ -15,6 +15,7 @@ using AICore.Context.Core;
 using DevExpress.DataAccess.Native.Sql;
 using BS.Shared.Exceptions;
 using BS.Shared.DataContracts.Feature.AI;
+using System.Security.Cryptography;
 
 namespace BeWo.Service.ServiceUtils
 {
@@ -108,19 +109,26 @@ namespace BeWo.Service.ServiceUtils
 		private static IContextSummary loadServiceRecordDocumentationContext(Dictionary<TableID, long[]> context_reference, string doku_text, int? sample_count = null)
 		{
 			var customer = loadCompactCustomerDC(context_reference);
-			var serviceRecords = loadServiceRecordDCs(context_reference, sample_count);
 			var supportConcept = loadSupportConceptDC(context_reference);
 			var costBearer = supportConcept.CostBearerList.First(x => x.CostBearerOid == context_reference[TableID.CostBearer][0]);
+			var costBearer2SupportConcept = costBearer.CostBearer2SupportConceptOid;
+
+			var serviceRecords = loadServiceRecordsByExplicitReference(customer.CustomerOid, costBearer2SupportConcept, sample_count);
 
 			return AiContextSummaryFactory.CreateServiceRecordDocumentationFunction(serviceRecords, customer, costBearer, supportConcept, doku_text);
 		}
 
-		private static bool oidsContainsOid(long[] oids, long oid)
+		private static IEnumerable<ServiceRecordDC> loadServiceRecordsByExplicitReference(long customer, long cb2sc, int? sample_count = null)
 		{
-			if (oids == null || oids.Length == 0)
-				return false;
+			if (sample_count is null || sample_count == 0)
+				return null;
 
-			return oids.Contains(oid);
+			var dcs = new OperationsServiceImp().GetCustomerServiceRecordsCompact(customer, cb2sc, null);
+
+			if(sample_count == -1)
+				return dcs;
+
+			return dcs.Take(sample_count.Value);
 		}
 
 		private static CompactCustomerDC loadCompactCustomerDC(Dictionary<TableID, long[]> context_reference)