WHY1. Wrong part marking(Work order number in the part is not as per the COC)|WHY2. COC was raised to the parent WO and was not manually amended|WHY3. Initially the parts are shipped with bag and label during which WO for the part was(56265) then due to change in customer for scribe marking the remaining parts from FG were swapped to the new WO(66257) and scribe marked to the new WO