PPRuNe Forums - View Single Post - A320 noise change in descent at 1.8 Delta PSI
Old 1st July 2017 | 22:22
  #6 (permalink)  
lurkio
25 Anniversary
 
Joined: Dec 1999
Posts: 1,513
Likes: 43
From: In my own little world
You will find it happens on departure at that diff pressure as well. My guess has always been avionics cooling outlet flap opening/closing.
lurkio is offline  
Reply