Hi Bob, I’m a bit too young to have served at Foulsham. But have a book which has a lot of data concerning 180 sqd and the Mitchells they flew. Any specific information you require I may be able to look it up for you.

880Squadron.
31st Aug 43 Mid air collision over Foulsham between B17 Fortress 422sqd USAAF and Beaufighter V8715 96sqd RAF Fortress crashed on to church farm cattle sheds Pilot LT Trueshall & 7 crew killed, Beau crashed nearby 2 crew killed.
Found this information in previous mentioned book.
Excellent thread and pics of Foulsham here
http://www.airfieldinformationexchange.org/community/showthread.php?245-Foulsham