From: jeffrey E. <jeevacation@gmail.com> Sent: Monday, November 30, 2015 12:51 PM To: Ivjet: pete.rawsohttp://code7700.com/g450_powerplant_pneumatics.html <http://code7700.com/g450_powerplant_pneumatics.=tml> nalice in the drawing there is an overboard vent??! =C24> if the check valve in the common duct was not working properly=C2. could that be it? I m aware that this is a fadec 4=0 not the iv . it does say that on long descent the 12 th stag= kicks in air, that is our smoothest ride. . conversation-id 96247 date-last-viewed 0 date-received 1448887831 flags 8590195713 gmail-label-ids 7 remote-id 566681 1 EFTA_R1_01593532 EFTA02478754