In a statement the[Dutch safety] board said: 'The CVR was damaged but the memory module was intact.
'Furthermore no evidence or indications of manipulation of the CVR was found.
'Following the examination, the CVR data was successfully downloaded and contained valid data from the flight
MH17 investigators download 'valid' information from black box recorder | Mail Online
Did anyone seriously expect tampering with the black boxes?
Well yes, probably the separatists -- that's why they were careful who they handed them over to.