Communicate·Intermediate·Playground·20 min·Updated Sep 30, 2026

Draft an incident postmortem timeline

Scenario

An outage just got resolved and the postmortem is due tomorrow.

Mission

Reconstruct the timeline and calculate total downtime.

Your task

  1. Read the raw incident log and identify the key timestamps: detection, root cause found, fix applied, resolution confirmed.
  2. Calculate total time from alert to resolution.
  3. Draft a short timeline summary suitable for a postmortem doc.

Prompt idea:

Here is a raw incident log with timestamps. Build a clean timeline of what happened, calculate total downtime from alert to resolution, and draft a 3-sentence summary for the postmortem.

Check Your Result

How many minutes elapsed between the alert firing and the incident being declared resolved?

Need a hint?

The alert fired at 14:02; the incident was declared resolved at 14:40.

Reveal Solution

The solution files contain the completed challenge. Review the approach to see if you missed any edge cases.

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