French investigators are preparing to publish a third interim report this week into the loss of the Air France Airbus A330-200 over the South Atlantic two years ago.
The Bureau d'Enquetes et d'Analyses is to issue its latest findings on 29 July.
It said the report will give the "exact circumstances" of the accident along with initial points of analysis and extra information derived from flight recorder data.
Investigators previously determined that the aircraft, having climbed from its cruising altitude of 35,000ft on 1 June 2009, entered a stall at about 38,000ft and descended rapidly.
The inputs from the pilot, the BEA found, had been primarily nose-up, apparently in contradiction to the nose-down input typically necessary for stall recovery.
BEA has not indicated whether the new findings provide any clarity over the reasons behind the inputs or the inability to recover the aircraft.