This is the last aircraft I dealt with that involved servo transparency, he ran out of time and space, like most of these scenarios as they repeat themselves.
The TSB report details some good info that answers some questions or accusations here.
http://www.bst-tsb.gc.ca/eng/rapport...5/A16P0045.pdf
"According to Airbus Helicopters, the phenomenon of servo transparency can occur “during excessive maneuvering of any single hydraulic system equipped helicopter, if operated beyond its approved flight envelope.” The manufacturer does not consider servo transparency a failure of the system, but a limitation of all single hydraulic systems. Unlike in the case of a hydraulic system failure, there is no visual or aural indication to alert the pilot that the hydraulic system is approaching servo transparency...."