Grit-blasting threatens aircraft

 作者:竹榕     |      日期:2019-03-03 07:12:10
By Gerry Byrne SEVERAL versions of the Boeing 737 aircraft may be susceptible to critical damage caused by incorrect maintenance procedures, according to US aircraft safety inspectors. The damage could cause pilots to lose control of their aircraft. The 737 is the world’s most popular passenger jet. There are almost 5000 in service, and they dominate the fleets of low-cost airlines in Europe, the US and Australasia. The models causing concern are the 200, 300, 400 and 500-series 737s,