Sure. Every engine, elex box, COPV, etc, gets an Acceptance Test (ATP) as they come off the line to verify good workmanship. (The one time Qual verifies the design. BE4 is qualified). The BE4's on Cert1 have passed ATP, as have many others. This engine failed ATP. https://t.co/2n73TwlTa8

— Tory Bruno (@torybruno) July 11, 2023