Interesting related discussion over on pprune and referencing relevant material:

https://www.pprune.org/rumours-news/623171-loss-control-flig...

http://publicapps.caa.co.uk/docs/33/SafetyNotice2019005.pdf

https://m.youtube.com/watch?v=35Zy_rl8WuM&feature=youtu.be