diff --git a/BBB_BOM.csv b/BBB_BOM.csv
index 13fdb61..bbc8e6a 100644
--- a/BBB_BOM.csv
+++ b/BBB_BOM.csv
@@ -1,4 +1,4 @@
-QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3
+QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3a
 1,,"3' USB Cable, 5pin AB to Type A",CableWholesale,10UM-02103BK,Assembly marked as RevC3
 ,,,LingLongDa,321010005,
 ,,,Molex,887328602,
@@ -69,6 +69,7 @@ QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3
 1,P5,RJ-45 10/100 W/Magnetics,Link PP,LPJ0011BBNL,
 1,P3,CONN RCPT USB TYPE A R/A PCB,FCI,87520-0010BLF,
 ,,,Foxconn,UB11123-4H9-4F,
+,,,SUNGTECH,ST-USB-003AT-30,Part change on 27-Apri-2023
 1,P10,Connector SD/MMC,YU LIANG,YL004-030-001,
 ,,,Molex,502774-0891,
 1,P6,HDMI / Displayport / DVI Connectors MICRO HDMI RCPT SMT DIP+ SMT LEG TYPE D,FCI,10118241-001RLF,
diff --git a/BBB_Industrial_BOM.csv b/BBB_Industrial_BOM.csv
index 7472dee..b46a8d0 100644
--- a/BBB_Industrial_BOM.csv
+++ b/BBB_Industrial_BOM.csv
@@ -1,4 +1,4 @@
-QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3
+QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3a
 1,,"Cable,USB A Male to MINI USB B Male,80CM,,2725 28AWG/1P+24AWG/2C",GLJ,GLJ-C4-1304,Assembly marked as RevC3
 ,,"Cable,USB A Male to MINI USB B Male,100CM",LingLongDa,321010005,
 1,,ESD Bag,3M,10035,3/24/13
@@ -33,6 +33,7 @@ QTY,REFERENCE,DESCRIPTION,MANU,PART NUMBER,REV PROD_C3
 1,P4,CONN RCPT USB MINI B R/A SMD,Hirose,UX60SC-MB-5ST(80),
 1,P5,RJ-45 10/100 W/Magnetics,Link PP,LPJ4011BBNL,
 1,P3,CONN RCPT USB TYPE A R/A PCB,Foxconn,UB11123-4H9-4F,
+,,,SUNGTECH,ST-USB-003AT-30,Part change on 20230427
 1,P10,Connector SD/MMC,YU LIANG,YL004-030-001,
 ,,,Molex,502774-0891,
 1,P6,HDMI / Displayport / DVI Connectors MICRO HDMI RCPT SMT DIP+ SMT LEG TYPE D,FCI,10118241-001RLF,