Many measures were taken from the start of the A340's design process to reduce the difficulty and cost of maintenance, which was reportedly half of that of the earlier Airbus A310 despite the increase in size.
Tomáronse moitas medidas dende o inicio do proceso de deseño do A340 para reducir as dificultades e custos de mantemento, que se estimaban na metade dos do anterior Airbus A310 a pesar do seu maior tamaño.