It’s worth reading the full AAIB report into the 2021 accident to G-RNHF. You will see the problems experienced by the engineering team by the lack of information, some of which was available, but not shared with them.

https://assets.publishing.service.gov.uk/media/628cd96cd3bf7f1f47c65ebc…

As noted by Nige, the R2800 can have its problems too;

https://assets.publishing.service.gov.uk/media/612f8f04d3bf7f0387e8aa37…