- Boeing Knew About Flaws in UPS Plane That Crashed in Louisville, N.T.S.B. Says The New York Times
- NTSB investigators pinpoint failed aircraft part from UPS crash last year CNN
- A part that broke on a UPS plane that crashed in Kentucky failed 4 times on other planes years ago AP News
- NTSB says part on UPS jet that crashed was on Boeing’s radar WAVE News
- Boeing knew of defect tied to fatal UPS plane crash in Louisville, NTSB finds WDRB