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Search: Posts Made By: president

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Forum: Tech Log

3rd Sep 2014, 21:09

Replies: 12

Pneumatic noise in 737 cockpit below 4000'

Views: 4,666

Posted By president

Pneumatic noise in 737 cockpit below 4000'

Because everyone says it belongs to the overboard exhaust valve it doesn't make it right. Why would that sound be heard on the flight deck at all? And not at all on row 1 in the cabin which...

Forum: Tech Log

2nd Sep 2014, 23:29

Replies: 12

Pneumatic noise in 737 cockpit below 4000'

Views: 4,666

Posted By president

Pneumatic noise in 737 cockpit below 4000'

Under each cockpit sliding window there is a small drain hole the thickness of a pencil. It is the drain from condensation formed behind the overhead panel. You will see the clear plastic tubes...

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