Priya, an internal auditor for a multinational corporation, is conducting an audit against ISO 20000-1:2018. A major IT service outage has recently occurred, severely impacting the company\'s order processing and customer service operations. Senior management is highly concerned and eager to understand the root cause and prevent future occurrences. Priya\'s audit scope includes the incident management and problem management processes. Given the urgency and the potential for significant financial and reputational damage, what is the MOST effective immediate action Priya should take to ensure the audit provides the most valuable insights and supports continual service improvement, aligning with the requirements of ISO 20000-1:2018? Consider the need to efficiently gather relevant information and prioritize the audit efforts to address the most critical areas first.