Sorry I can't answer your question, but your question has me wondering something.
So are you saying for science courses, if I took a 4 credit chemistry course (which include 3 credit lecture and 1 credit lab, but was combined to 4 credits on my transcript) and say I got a C. I can split that up on AACOMAS and write chem lecture 3 credits - C, chem lab 1 credit - C. And then I could retake chem lecture at another school for 3 credits without taking the lab and put on AACOMAS chem lecture retake 3 credits - A? (or whatever you get)
Again, sorry I can't answer your question, but maybe you can answer mine.