@HT
There was tranfer from 'Makedonia control' sector to "Athens control" south sector (both being part of Athens ATS, just before KEA at 02:47 or so.
like i wrote earlier Egyptair gets regular ACARS from their fleet. Surely somebody would have said something -from their side- if anything abnormal or irregular was noticed from the data received which the aircraft transmitted manually or automatic. they claim 'operations normal' so to speak, till the time it disappeared from radar and that proves ONLY that the 'machine' was in good condition and nothing else.