PPRuNe Forums - View Single Post - A320 noise change in descent at 1.8 Delta PSI
Thread: A320 noise change in descent at 1.8 Delta PSI
View Single Post
Old 2nd July 2017 | 01:56
  #7 (permalink)  
dream747
15 Anniversary
 
Joined: Nov 2006
Posts: 367
Likes: 0
From: Tropics
I've always noticed this sound too, especially on descent passing around 4,000ft. From my experiences, the bleed page shows that the HP bleed valve still closed.
dream747 is offline  
Reply
0