Stripped 727 Transmission cooling line

I thought that too,, when I first read the thread,, but googled it,, and learned of several "repair methods"..

http://www.stanleyengineeredfastening.com/brands/heli-coil/screw-thread-inserts/types/pipe-thread

https://www.bing.com/search?q=pipe+thread+helicoil&pc=MOZI&form=MOZSBR

cheers..

None of this is applicable to "pipe" threads which are tapered.