Early Beaufighters
I recently interviewed a former Beaufighter pilot who told me about this - the problem was with the Merlin engined version.
The reason was the propellors turned in the opposite direction to the Bristol engines and because the airframe was set up for these a nasty swing could develop.
He said the thing to look for on an airfield was bashed-up hangar doors as a sign a Mk II Beaufighter had been there!
I interviewed him at the Camden Museum near Sydney.