Good luck with that. I doubt very much you will get it from Thomas Cook & the statement below is straight off the CAA website.
Under the new regulation, occurrence information can only be used to maintain or improve aviation safety. This means that we can't release occurrence information to the general public or to the media, including in response to Freedom of Information Act (FOIA).
Link for info
https://www.caa.co.uk/Our-work/Make-...nce-reporting/