Incident is described in a hard to read 8th WRS narrative in AFHRA Reel B0771, p. 555. Date mentioned here is 8 May 1944 with 4 x Ju-88 attacking and B-17 landing at RAF St. Eval. Attack "200 miles from shore". Five crew members got medical attention (no names recorded).
Pilot Lt. Clarence R. Stephenson died in a B-17 crash at RAF Watton (42-31736) on 6 Sep 1944.
Also see
https://catalog.archives.gov/id/1438...ect-thumb--670
Regards, Leendert