From: Colin Povey <email@example.com> Organization: Delphi (firstname.lastname@example.org email, 800-695-4005 voice) Date: 10 Jul 95 16:36:59 References: 1 Followups: 1
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"Jan P. Andrews" <email@example.com> writes: >My colleague commented that the 777's cabin was interesting, the seats >comfortable and the mini video screen entertaining. He was made very >uncomfortable, however, by what he said was a loud approx. 7.5-KHz >acoustic "whine" that he believed originated in the ventilation system. > >Does anyone familiar with this craft (or at least UA's configuration of >it) have any thoughts or comments on this? 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.