What are the likely causes of failure of the Pratt & Whitney PW4000 turbine engine that exploded in mid-air on flight UA328 on February 20, 2021? - Quora
What was the advantage for British Airways to have its Boeing 747-400s powered by the Rolls Royce RB211-524H, instead of the GE CF6-80C2B1F (KLM)? - Quora