SDR's - great tool. Especially with the freedom of information in the U.S. Possible not as open with info in the EU.
When your Tech Rep or Customer Support guy says " Never seen that before " do a little dredging in the SDR databases and you will see that maybe they are handling the truth a little carelessly in defence of their product. You will / should find records of similar problems.
FAA Public Search is
here.
I have made several people change their tune with reference to SDR Reports.
Service Bulletins for instance always look like they are written by a lawyer to avoid liability.