defect leak failure fail blowout flaw mishap breakdown anomaly abnormality breakdown ignition wiring crash accident valve leakage hydraulics bug stall break die go jam malfunction faulty error breakage blackout fault disruption shortcoming deficiency problem lapse functioning mistake snag mechanical imperfection dysfunction miscarriage trouble fail dud detonation default disorder wrongdoing nox fail decision defective collision overload adjudication rule detonator misfire pronouncement device judgement brake judgment verdict brake crash defect electrical vibration irregularity interruption pitot fritz arrester overheat rupture delay fault deadman pantograph hiccup problem deficiency condensation anomaly fatigue sense cardiac puncture detect concussion fatal trigger tire failure seismic asphyxia scan detection