CFM-8020BF-135-346-20 CFM-8020BF-135-346-22 CFM-8020BF-145-401 CFM-8020BF-145-401-20 CFM-8020BF-145-401-22 CFM-8020BF-155-444 CFM-8020BF-155-444-20 CFM-8020BF-155-444-22 CFM-8020BF-225-273 CFM-8020BF-225-273-20