From: Larry Visoski < Sent: Monday, September 4, 2017 1:12 PM To: Je vacation Subject: G550 update Jeffrey Gulfstream Tech o=s Savanah was perfect with their trouble shooting! Our R/H Low Li=it Valve is leaking warm air due to deterioration of the Butterfly valve se=l. Right Hand valve is the worst„ the Left is leaking a li=tle,. I'll change them both. To determine if the seal is go=d, You hold a flashlight at one end of the valve and no light should be see= coming through, see photo below: This is wh=t Gulfstream sent for troubleshooting, which is exactly our issue. From Tech Ops; First, above Locating low limit valves at thi= time, HF coupler arrives in London tonight, will ship all parts from Londo= once they are located. <x-apple-data-detectors:/=1> ***Best case scenario, we should have pa=ts in hand Wednesday, Thx, Larry <=iv> Sent from my iPhone 1 EFTA_R1_01868043 EFTA02637420