Amazon Senior Technical Program Manager interview questions

Describe a time when a project did not go well? What did you do? What were the lessons learnt?

Paying back to the community by listing questions not seen else where on Glassdoor. All LP questions are listed across multiple sites already. 1. System Design bookseller system like Goodreads, which shows Amazon book reviews on their site (login, registration were out of scope) book search, book details, reading reviews, adding reviews were in-scope 2. Cognitive ability in program management - How would you plan to move 100's of willing and unwilling internal users to a new version of your service. (took 15 mins with various cross questions) 3. Why my service not working ? (technical troubleshooting) (took about 20 mins, went deep into routing algo, to load balancer configuration to identifying specific logs in DNS servers, authoritative name servers, root servers, server logs, LB logs, VIPs)