Re: Cabin Noise on UA 777

From: (John Liebson)
Organization: ISFSI
Date:         17 Jul 95 04:29:44 
References:   1 2
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Colin Povey <> wrote:

>Boeing had several problems with some ventilation ducts in the 777.  One came
>loose during a flight with the Secretary of Transportation on board, requiring
>a reduction in crusing altitude.  Sounds like they still have some work to do
>in this area.

The way to fix the problem is known; the particular aircraft involved
in this incident had not yet had the fix applied, and the aircraft,
being a test article, had had all sorts of changes made to it, which
exacerbated the problem.