Genchi Genbutsu
Literal translation: “real location, real thing” is one of Toyota’s famed 12 business principles. It can be translated as “Go and see for yourself”.
https://blog.toyota.co.uk/genchi-genbutsu
The best practice is to go and see the location or process where the problem exists in order to solve that problem more quickly and efficiently. To grasp problems, confirm the facts and analyse root causes.