Original sentence: A sudden loss of pressure at high altitudes can produce unconsciousness within seconds, followed eventually by death.Joseph Mangan is an American Aerospace engineer who, in 2004, told European aviation authorities of his belief that the microprocessors controlling cabin pressurization valves in the new Airbus A380 might allow a sudden depressurization of the passenger cabin in flight—which, at normal cruising altitudes, could endanger the lives of people aboard the aircraft.Mangan’s former employer, Austria-based TTTech, maintains that the allegations made by Mangan are false, and has filed civil and criminal suits against Mangan in Austria, where Mangan still resides.Silence Kills - Joseph Mangan's website presenting his side of the story.TTTech products - TTTech press release with its side of the story.These cases were still ongoing in late 2005.“A Skeptic Under Pressure” - a Los Angeles Times article giving a comprehensive overview of the affair
Edited sentence: Fact is that the Austrian court has never forbidden Mangan from discussing safety issues of TTTech products in public but imposed an order on the former employee not to disclose confidential documents and trade secrets to third parties.Joseph Mangan is an American Aerospace engineer, best known as a whistle blower, alleging that the microprocessors controlling the cabin pressurization system in the  Airbus A380 are dangerous.Silence Kills - Joseph Mangan's website that promotes awareness of the problems with the control chip in A380 cabin pressurization system