Dear Ms. O’Donnell,
Thank you for posting your inquiry on History Hub!
You may want to begin your research by requesting an Army Air Force accident report. Army Air Force and Air Force accident reports up to 1955 are in the custody of the Air Force Historical Research Agency, 600 Chennault Circle, Building 1405, Maxwell Air Force Base, AL 36112-6424. The web site is https://www.afhra.af.mil/.
We hope this information is helpful. Best of luck with your family research!