Answer:
He should make a survey with the team that works in the control room, making reports on the functioning of the devices during the last 6 weeks. By reading these reports it would be possible to identify devices that have failed and have not worked well in recent weeks.
Explanation:
In order for the administrator to be able to publish which devices have been failing in the last six weeks he will need to contact the team that works in the control room and has more experience with these devices. Reports on the functioning of the devices must be requested, so that a survey can be made in relation to the functioning of the devices and thus find out which of them have flaws in the required period.
