At 17:14 h, MEA572 contacted ATC for departure clearance from the international wing of Murtala Muhammed Airport, Lagos to Beruit Rafic Hariri International Airport (OLBA), Lebanon with 245 persons on board inclusive of 16 flight crew members. The request was to confirm ATC had the flight plan and clearance for FL390 routing via UB731 and exit point “NASTO”, which ATC granted.
At 17:15 h, MEA572 requested push back and start-up which was approved. MEA572 later requested taxi and was instructed to taxi holding point runway 18R.
From the voyage report, the Captain stated as follows “taxiway f3 one-way taxiway out, noticed Turkish B777 parked gate E55 taxied very slowly looking out, deviated slightly to the right for extra clearance [but] the left wingtip hit parked B777 tail cone stopped immediately shutdown engines”.