Because the employee did not perform the work steps. Check and correct the data.By not informing the supervisor know. Cause an error detected by the QA
The employee does not perform the procedure. Investigate and correct the information yourself by not informing your supervisor know. The error was detected by QA.
Because employees don't work on stage work. Continue to check and modify the data manually without letting foreman informed. Cause an error was detected by QA .