2lo flaps
An examiner
only on behalf of an ATO. An Examiner by himself can not do it any more. Those times are long gone !
Start here ...
https://www.easa.europa.eu/sites/def...ALS_210419.pdf
UK ATOs that are good for EASA. For some more info about each ATO, where they are, what they can do, and some contacts, make a search on the UK CAA website for "Standards Document 31"