Boeing 747 Electrically Caused Inadvertent Cargo Door Openings Boeing 747s are having pressurized hull ruptures in flight forward of the wing caused by the inadvertent opening of the forward cargo door in flight probably caused by faulty polyimide insulated wiring turning on door actuator motor. Four fatal accidents are included: Air India 182, PA 103, UAL 811, and TWA 800. Montereypeninsulaairport.com~Site InfoWhoisTrace RouteRBL Check