Is there a Surefire way to find all F0618 records in payroll for an F0911 entry?

Hi, I'm trying to drill down from F0911 to F0618. We have some aggregation going on, level 4 I think, but regardless, we need to be able to drill down to specific payroll entries. I've tried using MCU - SUB - OBJ and GLdate in the F0911 drilling down to same in F0618. In one example, I'm high by 8 hours in the week of  8/5/2017 but high by 8 hours in the following week. The SUB as a whole, when GLdate is removed, balances out perfect. I have tried using the batch number, which is in both follows, but