diff --git a/equipment_tracker/accounts/admin.py b/equipment_tracker/accounts/admin.py
index 33db357..c7b0b42 100644
--- a/equipment_tracker/accounts/admin.py
+++ b/equipment_tracker/accounts/admin.py
@@ -6,7 +6,8 @@ from .models import CustomUser
 
 class CustomUserAdmin(UserAdmin):
     model = CustomUser
-    list_display = UserAdmin.list_display + ('is_technician', 'is_teacher')
+    list_display = UserAdmin.list_display + \
+        ('is_technician', 'is_teacher', 'id')
     fieldsets = UserAdmin.fieldsets + (
         (None, {'fields': ('is_technician', 'is_teacher')}),
     )
diff --git a/equipment_tracker/transactions/serializers.py b/equipment_tracker/transactions/serializers.py
index 3aca4d3..0416051 100644
--- a/equipment_tracker/transactions/serializers.py
+++ b/equipment_tracker/transactions/serializers.py
@@ -58,10 +58,10 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
     def create(self, validated_data):
         # Any transactions created will be associated with the one sending the POST/CREATE request
         user = self.context['request'].user
-        validated_data.data['borrower'] = user
+        validated_data['borrower'] = user
 
         # All created transactions will be labelled as Pending
-        validated_data['transaction_status'] = 'Pending'
+        validated_data['transaction_status'] = 'Pending Approval'
 
         # If no teacher responsible for the borrow transaction is selected, raise an error
         if 'teacher' not in validated_data:
@@ -101,10 +101,10 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
         equipments = validated_data['equipments']
         for equipment in equipments:
             existing__pending_transactions = Transaction.objects.filter(
-                equipments=equipment, transaction_status__in=['Pending', 'Approved', 'Borrowed', 'With Breakages: Pending Resolution'])
+                equipments=equipment, transaction_status__in=['Pending Approval', 'Approved', 'Borrowed', 'With Breakages: Pending Resolution', 'Returned: Pending Checking'])
             if existing__pending_transactions.exists():
                 raise serializers.ValidationError(
-                    f"Cannot add Equipment #{equipment.id}. It is still part of a non-finalized transaction")
+                    f"Cannot add Equipment ID:{equipment.id}. It is still part of a non-finalized transaction")
 
         return super().create(validated_data)