diff --git a/openapi.yaml b/openapi.yaml
index 676b0ac..f129fb7 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -5,6 +5,7 @@ info:
   version: "2.0.0"
 
 paths:
+# --------------------------------------------------------------------------------------------------  
   /pdb/v2/baseItem/{articleNumber}:
     get:
       tags: [ "Regular" ]
@@ -42,6 +43,7 @@ paths:
           $ref: "#/components/responses/clientSideError"
         500:
           $ref: "#/components/responses/serverSideError"
+# --------------------------------------------------------------------------------------------------  
   /pdb/v2/productionOrderItem/{productionOrder}:
     get:
       tags: [ "Regular" ]
@@ -85,6 +87,7 @@ paths:
           $ref: "#/components/responses/clientSideError"
         500:
           $ref: "#/components/responses/serverSideError"
+# --------------------------------------------------------------------------------------------------  
   /pdb/v2/converterItem/{serialNumber}:
     get:
       tags: [ "Regular" ]
@@ -154,6 +157,57 @@ paths:
           $ref: "#/components/responses/clientSideError"
         500:
           $ref: "#/components/responses/serverSideError"
+# --------------------------------------------------------------------------------------------------  
+  /pdb/v2/pcbItem/{serialNumbers}:
+    get:
+      tags: [ "Regular" ]
+      operationId: Regular.pcbItem
+      summary: Returns pcbItem entries
+      description: |
+        ```
+        DATABASETAGBEGIN
+          pdb_el_reader1
+        DATABASETAGEND
+        STATEMENTBEGIN
+          SELECT
+            sn.seriennummer AS serial_number
+            ,CAST(sn.produktionsauftrag AS INT) AS production_order
+            ,sn.n AS batch_index
+            ,(CASE WHEN auftraege.artikelcode LIKE 'T%' THEN CAST(SUBSTRING(auftraege.artikelcode, 2) AS INT) ELSE CAST(auftraege.artikelcode AS INT) END) AS article_code
+            ,(CASE WHEN ISNULL(ems.Seriennummer) THEN auftraege.IX ELSE ems.Equi_index END) AS bom_index
+            ,(CASE WHEN ISNULL(ems.Seriennummer) THEN FALSE ELSE TRUE END) AS has_ems_update
+            ,stammdaten.bezeichnung AS description
+            ,(CASE WHEN modulindex.modulindex = "" THEN NULL ELSE modulindex.modulindex END) AS module_index
+          FROM sn
+               JOIN auftraege ON sn.produktionsauftrag = auftraege.produktionsauftrag
+               JOIN stammdaten ON auftraege.artikelcode = stammdaten.Artikelcode
+               LEFT JOIN ems ON sn.seriennummer = ems.Seriennummer
+               LEFT JOIN modulindex ON sn.seriennummer = modulindex.sn_lp
+          WHERE 
+	          FIND_IN_SET(sn.seriennummer, @serialNumbers) != 0
+        STATEMENTEND
+        ```
+      parameters:
+        - name: serialNumbers
+          in: query
+          required: true
+          schema:
+            type: array
+            items:
+              type: integer
+      responses:
+        200:
+          description: Here are your pcbItem items
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/pcbItem"
+        400:
+          $ref: "#/components/responses/clientSideError"
+        500:
+          $ref: "#/components/responses/serverSideError"
 
 components:
   responses:
@@ -188,6 +242,7 @@ components:
         offensiveData:
           description: Input data which causes this error
           type: string
+# --------------------------------------------------------------------------------------------------  
     baseItem:
       description: Selected columns of the stammdaten table from pdb_el
       type: object
@@ -200,6 +255,7 @@ components:
           nullable: true
         description:
           type: string
+# --------------------------------------------------------------------------------------------------  
     productionOrderItem:
       description: Selected columns of the auftraege table from pdb_el
       type: object
@@ -225,6 +281,7 @@ components:
         referenceDocument:
           type: string
           nullable: true
+# --------------------------------------------------------------------------------------------------  
     converterItem:
       description: converter items selected by serial number
       type: object
@@ -316,4 +373,29 @@ components:
         deliveryDate:
           type: dateTime
           nullable: true
-        
+      pcbItem:
+        serialNumber:
+          type: integer
+          nullable: true
+        productionOrder:
+          type: integer
+          nullable: true
+        batchIndex:
+          type: integer
+          nullable: true
+        articleCode:
+          type: integer
+          nullable: true
+        bomIndex:
+          type: integer
+          nullable: true
+        hasEmsUpdate:
+          type: boolean
+          nullable: true
+        description:
+          type: string
+          nullable: true
+        moduleIndex:
+          type: string
+          nullable: true
+