noun, noun or participle which takes 'suru'
arrival on scene; arrival on location
Used for the moment someone reaches a site, especially in police, fire, medical, or reporting contexts. Often used with する to mean 'arrive on the scene'.
消防隊が現場到着したのは火災発生から10分後だった。
The fire brigade arrived on the scene ten minutes after the fire broke out.
現場到着次第、状況を報告してください。
Please report the situation as soon as you arrive on location.