Internal Engineering Defect Memo Containment & Redesign Suppression
Sub-Type: Product Safety Defect Siloed to Avoid Recall Costs
Internal engineering tests identify that ignition switches turn off engine power and airbag deployment when bumped, but cost-benefit formulas label the issue a customer convenience matter.
Fundamental Invariant Rules
Engineered Resilience & Mitigation Strategies
Canonical Incident Manifestations (3)
General Motors Cobalt Ignition Switch Torque Defect & Airbag Disable Concealment
Internal testing detected critical failure mode in primary control hardware. Decision_Nodes siloed defect records and modified manufacturing telemetry (silent part revision) to avoid recall liability while exterior channels reported nominal compliance.
Takata Airbag Inflator Phase-Stabilized Ammonium Nitrate Chemical Degradation
Material cost optimization substituted safe chemical buffer for volatile compound. Latent chemical degradation altered physical State_Telemetry without external outward indicators, causing explosive canister rupture under nominal deployment triggers.
Theranos Edison: Microtainer Fingerstick Dilution & Commercial Analyzer Modification
Diagnostic telemetry capability was completely fabricated. Internal Decision_Nodes diluted physical biological samples to run on concealed third-party machines, deliberately concealing failure state from patients and regulators.