The Case File Library

Publicly documented quality failures, dissected for lessons — case file by case file. Recalls, groundings, outbreaks: what actually failed, and which discipline would have caught it.

Uber Tempe: how suppressed braking and a phone killed Elaine Herzberg
Automotive

Uber Tempe: how suppressed braking and a phone killed Elaine Herzberg

The situation Uber's Advanced Technologies Group was testing on public roads in Arizona because Arizona asked the fewest questions. California's regulator had all but shown them the exit; Phoenix…

Case file #51·August 17, 2026·5 min readRead case →
Jeep Grand Cherokee: how a packaging decision outran crashworthiness
Automotive

Jeep Grand Cherokee: how a packaging decision outran crashworthiness

Here is an uncomfortable observation from two decades of gateway reviews: the fuel tank never wins a packaging argument. It has no advocate in the studio, no line on the option sheet, no seat at the…

Case file #50·August 16, 2026·6 min readRead case →
Flint: how a skipped corrosion inhibitor poisoned a city
Energy & Process

Flint: how a skipped corrosion inhibitor poisoned a city

Nobody in Flint shipped a bad part: a water-source swap skipped ~$100/day

Case file #49·August 14, 2026·5 min readRead case →
Three Mile Island: how a misleading indicator caused a partial meltdown
Energy & Process

Three Mile Island: how a misleading indicator caused a partial meltdown

When a control panel indicator shows what was

Case file #48·August 13, 2026·5 min readRead case →
Virgin Galactic: how a missing interlock turned human error fatal
Aerospace

Virgin Galactic: how a missing interlock turned human error fatal

I have sat in enough 8D review rooms to know the pattern. The room goes quiet. The timeline goes on the wall. The discussion drifts toward "operator error." Someone reaches for stricter procedures, a…

Case file #47·August 12, 2026·6 min readRead case →
Southwest 1380: how a fatigue fracture defeated engine containment
Aerospace

Southwest 1380: how a fatigue fracture defeated engine containment

Borescope inspections caught visible wear for years—until they missed the micro-fatigue growing underneath. How a latent defect

Case file #46·August 11, 2026·5 min readRead case →
DC-10 cargo door: how a false-lock design killed 346 people
Aerospace

DC-10 cargo door: how a false-lock design killed 346 people

The DC-10's cargo door design relied on a visual check that confirmed the lock cycled—not that it actually engaged—leading to two crashes and 346 deaths.

Case file #45·August 10, 2026·6 min readRead case →
Apollo 13: how a dropped tank and a voltage mismatch caused a deep-space failure
Aerospace

Apollo 13: how a dropped tank and a voltage mismatch caused a deep-space failure

Here is an uncomfortable observation: catastrophic failures rarely come from a single dramatic event. They come from a chain of small decisions, each defensible in isolation, that collectively strip…

Case file #44·August 9, 2026·6 min readRead case →
Heartbleed: how unvalidated infrastructure became a global failure
Software & Systems

Heartbleed: how unvalidated infrastructure became a global failure

Heartbleed exposed how the internet's most critical security infrastructure ran on unaudited, underfunded code — and why nobody asked the questions that matter.

Case file #43·August 8, 2026·6 min readRead case →
Knight Capital: how a dead code flag bankrupted a firm in 45 minutes
Software & Systems

Knight Capital: how a dead code flag bankrupted a firm in 45 minutes

When a dead code flag reached one old server out of eight, it woke an algorithm that bought high and sold low, bankrupting Knight Capital in 45 minutes.

Case file #42·August 7, 2026·5 min readRead case →
BP Texas City: how cost cuts dismantled the process safety grid
Energy & Process

BP Texas City: how cost cuts dismantled the process safety grid

BP's Texas City refinery disaster killed 15 and injured 180 after years of cost cuts eroded safety systems, leaving operators blind to warnings that had already been reported.

Case file #41·August 6, 2026·6 min readRead case →
Union Carbide Bhopal: when degraded safety layers guarantee catastrophe
Energy & Process

Union Carbide Bhopal: when degraded safety layers guarantee catastrophe

An auditor's perspective on how Union Carbide normalized the absence of safety systems at Bhopal, disabling every engineered barrier until catastrophe became inevitable.

Case file #40·August 5, 2026·6 min readRead case →