My question is Anybody know that if those box are send in France for reading I expect that the Canadian TSB would send someboby with the boxes since they are in charge of the investigation ???
Seeing as this is commercial flight, rather than a test flight conducted by the manufacturer, it should come under ICAO Annex 13 which gives rights to parties CTSB, NTSB, BEA, AAIB etc. etc.
The parties decide together what is the best equipment to decode along with the best experience. The parties have a right to participate and no doubt will. There is little way hanki-panky can take place and not be detected by the other parties.