We have talked with many CAA Surveyors, yes, when you talk to them, they agree it is a stupid situation, and in some cases, have agreed that the Bell parts stay on until it is feasable to replace them (ie when the overhaul/scrap life is due), but ask them to confirm this in writing, and you don't stand a cat in hells chance. According to CAA Surveyors, this is an EASA problem not theirs !
Sorry Nigel, but yes, my understanding of the regulations is, if the item has been fitted to an AB, AND has flown, then this item CANNOT be then fitted to a Bell !! without going through an Overhaul and being recertified. In no way should records be tampered with.
Eric, the Cessna and Reims was me, the Cessna 406 was the same as the Reims F406 but, same as the Bell and AB, different TCDS, as memory serves me there was only a couple of ATA chapters that had different part numbers, but never once was I questioned by the CAA on the parts fitted (were they Cessna or were they Reims?), I think they only asked me if I had a copy of the French TCDS.