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The critical machine stopped

La macchina critica si è fermata · Operations · Beginner

The case

Your plant's main press broke down: the spare part arrives in 15 days from Germany. You have deliveries promised to 8 clients in the next 2 weeks, and that press does 60% of production. Clients don't know yet. How do you organize the next 48 hours?

La pressa principale del tuo stabilimento si è guastata: il ricambio arriva tra 15 giorni dalla Germania. Hai consegne promesse a 8 clienti nelle prossime 2 settimane e quella pressa fa il 60% della produzione. I clienti non lo sanno ancora. Come organizzi le prossime 48 ore?

Read the case, write how you would solve it, in free text, no prompt required, and Grace's AI judges whether your solution actually works, solved or not solved, with a 0-100 score and coaching feedback that points at what is still uncovered without revealing the answer. Your first 5 evaluations each day are free.

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Frequently asked questions

What is the "The critical machine stopped" problem-solving case on Grace?

It is a beginner-level Operations case based on a real workplace situation. You read the problem, write how you would solve it in free text, and Grace's AI judges whether your solution actually works, and tells you what is still uncovered.

Is there one correct answer to "The critical machine stopped"?

No. Grace judges the substance of your reasoning, not similarity to a script. Different approaches pass, as long as they genuinely solve the problem within the constraints described in the case.

How is my solution evaluated?

Grace's AI checks four things: whether you address the core problem (not just the symptoms), whether your plan is feasible within the constraints of the case, whether you consider risks and consequences, and whether you avoid the typical mistakes. You get a solved/not-solved verdict, a 0-100 score and coaching feedback.

Who is this case for?

Anyone who wants to train structured problem solving: managers, professionals and candidates preparing for case interviews in Operations. The beginner difficulty makes it an accessible starting point.

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