I'm not sure about this sentence:
please provide us your mass production start date as this is request the online inspection.
Do you mean:
please provide us your mass production start date as this is required/needed for the online inspection.
Any - when suggesting an unspecific amount, any is used with a plural noun.
....if there are any problems.....
If they find problems that have to be reworked, they will rework the problems that they found (past tense).
I am not a teacher.
Student or Learner