CRN 35-225A regular production running at F5-1 machines which is dedicated to A320 Brackets. All programs proved and saved in server.
Due to meet the schedule, planned to run in F5-1 and F5-4 machines at the same time.
All the program is proved, but due to adjust the step in wall by using TRANS, operator miscalculated the Z value in A90 and A270.This manual error causes dig mark on part.
 