Abhin Chhabra

Abhin Chhabra

Founder, RCA Map

Abhin is the founder of RCA Map. He writes about root cause analysis, structured problem solving, and how teams learn from failure.

Posts by Abhin Chhabra

  • Practitioner Guides9 min readAbhin ChhabraAbhin Chhabra

    What is a 3-legged 5-Whys analysis? (with examples)

    A single chain of 'why' explains the trigger and misses the disaster. A 3-legged 5-Whys runs three parallel chains — what failed, what let the warning slide, and what shaped the decision — so the fix lands on the system, not the symptom.

  • Incident Reviews9 min readAbhin ChhabraAbhin Chhabra

    "Prove it will fail": the sentence that launched Challenger

    The engineers had the data and the right answer the night before Challenger launched. A single flip in the burden of proof was enough to overrule them. How a go/no-go hold point quietly inverts under pressure — and how to catch it in your own organization.

  • Practitioner Guides7 min readAbhin ChhabraAbhin Chhabra

    How to run a 5-Whys session that doesn't derail

    A founder-led, opinionated guide to running blameless 5-Whys sessions that produce real corrective actions instead of polite consensus.

  • Incident Reviews9 min readAbhin ChhabraAbhin Chhabra

    Five whys behind the CrowdStrike outage: where the validator gap actually lived

    A blameless 5-Whys incident review of the 2024-07-19 CrowdStrike Falcon outage using only public sources. The validator bug was the trigger; the architecture made it a disaster.