Multi Level Finite Scheduling in PP/DS

Experts,

I'm trying to schedule orders on 2 resources & the system doesn't seem to be working as desired. Below is the detail -

1. We use CTP with Planning Procedure "3" (Cover Reqts Immediately).
2. Finished Good made on a Resource that is TIME CONTINUOUS & Finite Scheduling turned on (Resource Master)
3. Semi Finished for this FG is made on a Block Planned resource, where Orders are scheduled based on Bucket Capacity.
4. What we want to achieve during the Order entry in ECC & the subsequent CTP check in APO -
   1. System should schedule Orders finitely (linear & Resource Utilization 100% or less, not more) on the FG Resource
   2. SFG Plnd Orders should still respect the Block schedule & make it into the right block/bucket.
5. I tried with the below options & don't seem to be working -
   1. Prod Heur on the Prod Master of the FG, mode as FIND SLOT, while that on the SFG mode as SEARCH WITH BUCKET CAPACITY - With this setting, orders result in resource capacity > 100%
   2. Custom Plng Procedure on FG - set with Heuristic that has mode FIND SLOT & that on the SFG having mode as mentioned above - With this setting, orders result in resource capacity > 100%
   3. GLOBAL PARAMETER Strgy Profile - SAP_CTP: this causes the FG Resource to be scheduled correctly, but the Block resource utilization goes >100%

I'm not certain what setting would I be missing. Any clue would be great.

Thanks