At 00:57 11 February 2019, Scott Calvert wrote:
At 23:47 07 February 2019, Elena Malanushenko wrote:
Interesting video with the testing of plane
https://www.youtube.com/watch?v=vel-qoc0UY4
I would check for loose seals.
I have replaced loose seals after experiencing similar in flying one.
Problem never returned.