From: Larry Visoski <██████████>
Sent: Tuesday, December 20, 2016 8:44 PM
To: Je vacation
Subject: GIV update

Jeffrey

Gulfstream has to manufacture the replacement angle that is corroded, delive=y date is Jan 4th. Gulfstream engineering Savanah is reviewing the corroded area, taking into a=count the part is not available until Jan 4th, and not a saftey of flight i=sue, we hope to obtain a 30 day extension from Engineering to require us to=clean, prime and install new rivets as temporary repair. I'm told I will have firm answer later today.,

Pylon Precooler:

I spoke to Tech support, Gulfstream recommends doing a full system integrity=check of PreCooler system and cabin pressurization, which includes installi=g a temporary digital temp sensor in the pylon to make sure hot air is trig=ering the Pylon Precooler operation. Tech support suggest checking Air cycl= machine temperature outlet, since functionality and temperatures of all pr=ssurization components have an effect on preCooler operation.

If we get the 30 day extension, I'd like to have Westfield, Savanah or Bruns=ick Gulfstream accomplish the corrosion
repair and accomplish Precooler che=k,.
If you agree?

Thx
Larry

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