That was reported by the French Le Monde. This paper refers to the Brazilian edition of Estado de Sao Paulo ( "very serious", according to the French journalists), which in turn states that received information from a source close to the investigation of the disaster.
At 23:00 on Brazilian time (04:00 in Paris), about 20 minutes before entering the flight AF447 in the airspace of Senegal was the message from the pilot that the aircraft is in a zone of strong turbulence, in a very dense cumulonimbus clouds, filled with electric shocks.
(The data came from meteorological satellites later confirmed that the speed of wind gusts reaching 160 kilometers per hour).
At 23:10 came the message about disabling autopilot. Unknown, as pointed out by Le Monde, was whether the autopilot disconnected crew or automatically turns off due to activation of safety systems. Usually, the deactivation occurs when the on-board computers record serious damage. According to Le Monde, from this moment on "all the problems started."
At 23:10 just after the first was the second message that the electric drives flaps and ailerons moved to backup power. It is activated automatically when the board found numerous electrical problems. Although in this case, the aircraft enough power to continue the flight, the system responsible for the stabilization, can work with the violations.
At 23:12 came two reports indicating that failure of the two critical airborne systems Adiru (Air Data Inertial Reference Unit) and Isis (Integrated Standby Instruments System). These computers provide basic information about altitude, speed and direction of flight.
At 23:13 - the new message, notifying the crash, and electrical problems in the main and auxiliary on-board computers (Prim1) and (Sec1).
At 23:14 - Last Post: cabin - vertical speed. " This suggests decompression, which, as noted by Le Monde, has become a cause or a consequence of the fact that the plane disintegrated in the air.
Note that the official confirmation from the Brazilian and French authorities have not yet received the decoding.
On board the A330 aircraft airline Air France, flying from Rio to Paris, had 228 people. June 4, representatives of the airline said that there was no hope of finding anyone alive. On the night of June 2, 1000 km from the Brazilian coast have been found wreckage of the aircraft, among them a life jacket and boarding chair. June 3 to 90 kilometers away from the first new fragments were discovered.
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