PPRuNe Forums - View Single Post - Pneumatic noise in 737 cockpit below 4000'
Thread
:
Pneumatic noise in 737 cockpit below 4000'
View Single Post
30th Aug 2014, 09:50
#
3
(
permalink
)
STBYRUD
Join Date: Aug 2009
Location: GPS L INVALID
Posts: 580
Likes: 0
Received 0 Likes on 0 Posts
Yup, correct! Opens when the differential pressure is less than two psi if memory serves me right.
Reply
STBYRUD
View Public Profile
Find More Posts by STBYRUD