PN
Sorry to hear that.
I was on site early the next day and the area hadn't been touched. NOTHING had been moved. Yes, I saw the seats and the pins and remember raising the point with my oppo.
It is possible,I suppose, that the pins had been put in,during the last phase of a long flight, prior to landing.
I watched the whole thing from 13Sqn dispersal during NAAFI break. The station was on exercise at the time and the CO kept it running.