From: "Jeffrey E." <jeevacation@grnail.com> To: lvjet Subject: Date: Mon, 30 Nov 2015 12:50:31 +0000 http://code7700.com/g450_powerplant_pneumatics.html notice in the drawing there is an overboard vent??! if the check valve in the common duct was not working properly could that be it? I m aware that this is a fadec 450 not the iv . it does say that on long descent the 12 th stage kicks in air, that is our smoothest ride. . please note The information contained in this communication is confidential, may be attorney-client privileged, may constitute inside information, and is intended only for the use of the addressee. It is the property of JEE Unauthorized use, disclosure or copying of this communication or any part thereof is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by return e-mail or by e-mail to jeevacation®gmail.com, and destroy this communication and all copies thereof, including all attachments. copyright -all rights reserved EFTA00839780