On Monday, March 18, 2019 at 1:05:49 PM UTC-6, wrote:

What glue is recommended for fixing broken glue joints? I understand that the original glue was not the best--very brittle.

This topic was covered in Bungee Cord articles published by the Vintage Sailplane Association (also VGC News). There is not a simple answer, since all IA's and FAA personnel are not the same. I've sent you a separate, private email on this topic. ..... Neal

Are these articles available online?