Your question is Debug Production Distributed Issue. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Debug a production issue in a distributed system.
Explain how you would establish scope, stabilize the system, isolate the failing component, coordinate investigation across teams, and validate recovery. Cover the evidence you would gather, the trade-offs between mitigation and root-cause analysis, communication during the incident, rollback or failover decisions, and follow-up actions to prevent recurrence.