Anatomy of a Repair--Fix It, Don't Rip It!

We are working on a new sample for the shop--a very sweet hat called WHO? which we found on Ravelry.  Everything was going along just fine until we noticed a cable moving RIGHT when it should have been shimmying LEFT.  What to do? Rip out 5 rows to repair what is essentially a 4 stitch error?

Let's fix that thing!