Your question is Fixing a Production Bug. 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).
Can you describe a challenging bug you encountered in production and your process for fixing it? Discuss how you detected and scoped the issue, communicated with stakeholders, evaluated mitigation options, validated the permanent fix, and prevented recurrence. Use a real example and clarify your individual responsibilities.