trigger point use

consider for finished material there are 10, and 20 operations .for finished material at 10 operation we confirmed quantity of 100 km for example.after that at 20 operation we found that only 80 km is approved and confirmed by quality ,then for rest we want rework .please clarify can it is possible to tell the system to create rework order as soon as quantity of opration 20 confirmed is less than the operation 10.