Thanks for the
link PJ2.
In this case, only the left PFD speed was recorded, probably something to do with the fact that VH-EBA was not the Enhanced version of the 330 ...
It appears that the Digital ACMS Recorder DAR didn't deliver the two other speeds neither.
The similitude in the ACARS messages with AF447 is relevant, but one particular message is missing, the one
Svarin is talking about :
WRG:ADIRU1 BUS ADR1-2 TO FCPC2