From:

<table><tr><th>Sent:</th><th>Friday, June 14, 2013 6:26 PM</th></tr><tr><td>To:</td><td>Je vacation</td></tr><tr><td>Subject:</td><td>Gil item</td></tr></table>

Jeffrey,

During my pre flight, I noticed my parking brake accumulator reading 1000psi, which is my nitrogen preload on the accumulator,

When I turn on my Aux pump to build pressure for my parking brake, its suppose to build my pressure to 3000psi, when I turn on aux pump to build extra hydraulic pressure, it only charges my brakes to 1300psi not 3000psi, sounds like a pressure switch is faulty or sticking,.

I have normal brakes with engines running due to combined hydraulic system and my backup system is utility hydraulic system which operates normal also,. I feel confident to fly the plane and change this pressure switch in either St thomas or Teterboro. I tried tapping of the psi switch to no avail.

I just wanted you aware of my findings, I spoke to Gulfstream tech ops to verify my conclusion.

thx

Larry
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