overflowing trough drain

customer states when draining 3 bay sink sewage starts overflowing out of through floor drain and grease trap cover. ran water to recreate issue, ran spartan 100 machine and removed hair and plastic from cleanout line for affected plumbing. quick flow test and on to the next one. #draincleaning #serviceplumbing #draingang #unclog #cloggeddrain #plumbing #floordrain #uncloggingdrains #commercialplumbing #spartan