AT Metal Cooler Line Leak

I have an '83 W123 & have just noticed a fast drip coming from the area of the automatic transmission cooler line on the right/passenger side - along the engine & at the very point where the line bolts to the oil pan. I assume that this is the same problem mentioned in the "Alert" section. Question is, aside from the preventative fuel hose replacement, what sort of actual "fix" can be applied to stop & solve the leak? Has anyone fully repaired a leaking AT cooler (metal) line? thanks, Kieran- NJ