1. Etching of parts with critical bore stopped temporarily until ECN is  initiated.
2. Engineering change note initiated and updated the affected part number 65-46358-16.
3. Any change shall be documented and routed through ECN.
4. EFACS Text information revised to remove the selection of etching option to operator.
5. Listed out all the parts which require etching before PFD  as per BAC 5423.
6. Requested CIM Tools for the parts referred in the annexure to flow down the critical dimensions to masked before etching. EDC 30/07/2016.
7. API engineering shall update the masking requirements for all parts as per annexure.
