A quick Google brings up the following –

“25/04/44 – 76 Sqn – Shot down by intruder nr. Welney on return from Karlsruhe.

Crew were :-
P/O D.R Dibbins – killed
F/Sgt J.R Bathe – killed
Sgt K.C Oswald – killed
Sgt G.J Head – killed
Sgt J.G Davenport- killed
Sgt N.M Harrison -killed
F/Sgt J. Anderson – injured”

As well as the following –

“Serial range LK779 – LK812. 34 Halifax Mk.111. Part of a batch of 200 HP Halifax Mk.V/111. LK626-LK667; LK680LK711; LK725-LK746 Mk.V; LK747-LK766; LK779-LK812; LK826- LK850; LLK863-LK8877 Mk.111. Delivered by Fairey Aviation (Stockport) between 20Feb44 and 23Mar44. Airborne 2209 24Apr44 from Holme-on-Spalding Moor. On return the Halifax was shot down by an Intruder, crashing at 0420 near Welney, 7 miles SW of Downham Market, Norfolk. Those killed were taken to their home towns for burial. P/O D.R.Dibbins KIA Sgt G.N.Head KIA Sgt K.C.Oswald KIA Sgt J.G.Davenport KIA Sgt N.M.Harrison KIA F/S J.Anderson Inj “

I was fairly easy to find, so if the gentleman has internet access I’m sure he already knows this.

Steve