Zatím vše nasvědčuje technickým problémům. Poslední přijatá ghlášení ACARS:

UTC 00:26: ANTI ICE R WINDOW – triggered by the Window Heat Computer #2 - associated with 2 maintenance messages corresponding to the temperature sensors of the 2 right cockpit windows:
UTC 00:26: R SLIDING WINDOW SENSOR
UTC 00:28: R FIXED WINDOW SENSOR
UTC 00:26: SMOKE LAVATORY & UTC 00:27: AVIONICS SMOKE : triggered by their respective optical detector;
UTC 00:29: AUTO FLIGHT FCU 2 FAULT: second channel of the FCU detected fault.
UTC 00:29: F/CTL SEC3 FAULT: third SEC computer detected fault.

The computers associated with these warning/caution messages, apart from the FCU 2 are all accessed through door 811 - if we're looking for common denominators.