Inform all parties of ETD and report.

向各有关方通知预离时间并报告。

youdao

I say again, UN001 mechanical problem, estimated time of departure (ETD) is delayed until 16:30.

我再说一遍，UN001因机械故障，预计起飞时间推迟到16：30。

youdao

I say again, UN001 mechanical problem, estimated time of departure (ETD) is delayed until 16:30.

我再说一遍，UN001因机械故障，预计起飞时间推迟到16：30。

youdao