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Subject: Re: AOA issue
From: "Greenbacks, UnLtd." <N4ZQ@VERIZON.NET>
In-reply-to: <1F86C282-8F18-42EE-AE1A-80ED62E7BC5C@VERIZON.NET>
Date: Sun, 10 Nov 2013 22:25:45 -0500
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To: List Lancair Mailing <lml@lancaironline.net>

Flew down to Hyannis on Friday afternoon and I was a very unhappy AOA =
camper. During the 20 min flight, the AOA Pro display became quite dim,=20=

and I was seeing numbers on the bottom that were fluctuating between 150 =
and 200 in level flight. I pulled the breaker and reset and got
E11 and E33 for error messages. I never see these error messages on =
power up. Later in the flight, the display appeared to be functioning =
normally again.=20
Back in the hangar, I checked the upper port drain valve and got about a =
1/4tsp of water. The 1hr test flight this afternoon showed the AOA to be =
functioning
normally again. Hard to imagine that small amount of water could be the =
culprit though. I'm thinking now that I should disconnect the =
upper/lower
pressure port lines and apply a bit of compressed air to be certain they =
are free of any moisture.

Angier Ames
N4ZQ
=20=