from
The Aviation Herald
"New information provided by sources within Air France suggests, that the ACARS messages of system failures started to arrive at 02:10Z indicating, that the
autopilot had disengaged and the fly by wire system had
changed to alternate law. Between 02:11Z and 02:13Z a flurry of messages
regarding ADIRU and ISIS faults arrived, at 02:13Z
PRIM 1 and SEC 1 faults were indicated, at 02:14Z the last message received was an
advisory regarding cabin vertical speed. That sequence of messages could not be independently verified."