iPod classic repair return

I have 3 iPod classic for the iPod repair , and I send then to apple center at 4th Agu, and I check them , it still at step 3 , for the replacement pending from 5th Agu, now is 26th , so can u help me to check it , how is it going

The repair ID is A164071863,A164071933,A164071997.