GFS= Green Fuzzy Stuff. (electrical corrosion)
It turns out (with my vehicle) that cleaning the gfs out of the RF door harness cured that door. However, BOTH left side doors need new actuators. I started with the LF since it's used most and to see how long it would go before acting up. It's now been over 100 uses and it's working perfectly.
Sometimes it *IS* just the latch