The engines typically have real time in flight telemetry sent to the engine manufacturer via satellite link which may help clear things up.
Engine restart procedure includes fuel cut off?
Per the FDR (Flight Data Recorder) log, the first engine was switched off 3 seconds after plane became airborne. 4 seconds after that the second engine was switched off. At the time of rotate (nose up) both engines were functioning normally.
“Looks like multiple restart attempts in response to an engine out but it’s ambiguous as to whether the engines went out first and the switches were cycled for restart or if the fuel cut off switches stopped the engines in the first place.”
The article clearly states the first event per timestamp; both cut-off switches to off.
It reached peak altitude and speed at that moment.