Hello Nick
on Graf on 6 Sept 1943, according to Bishop & Hey,
Losses of the US 8th and 9th AFs ETO area – June 1942 – December 1943
B-17F-80-BO 42-30000 UX
“Attacked by fighters on the return flight over Northern France…crashed at 1230hrs near Estissac, 12 mls W of Troyes, France.”
Better candidates e.g. B-17F-95-BO 42-30300 BG:C 334BS “Hit by ME109 S of Stuttgart…blew up shortly after the crew had all baled out safely S of Stuttgart.” Or B-17F-100-BO 42-30335 LN:U 350BS “With the No 1 and 3 engines out after fighter attacks, a/c crash landed in the area of Villingen, NW of Donaueschingen in southern Ger…”
HTH
Juha