If you notice a customer's support agreement has expired, but the log shows green, what action do you take?

Providing support for the issue is the correct action because it aligns with Apple's commitment to customer satisfaction and service excellence. Even if a customer's support agreement has expired, it's essential to assess the current problem they are experiencing and determine if it can be resolved, especially if the system log indicates that everything is functioning properly (denoted by the 'green' status).

By addressing the customer's immediate concern, you demonstrate that the priority is to assist them effectively, which can build trust and satisfaction. Additionally, Apple often allows support representatives to assist customers with basic troubleshooting or guidance, even when their agreements are not active, to maintain strong customer relations.

In terms of the provided choices, notifying the customer about the expired agreement, declining assistance until renewal, or recommending purchasing a new agreement might be appropriate under different circumstances, but in this case, the focus should remain on providing immediate help regarding the customer's current issue detected by the system.