The accident has been assigned to a faulty part in the engine of the bus.

事故是由公共汽车引擎中一个损坏的零件引起的。

youdao

One risk, however, is that a faulty part could cause problems not on just one product but across many product lines.

但有一个风险是，如果一个零部件存在缺陷，出现问题的可能就不是一种产品，而是多个产品线。

youdao

Independent reports suggest the airline failed to implement the aircraft manufacturer's instructions to replace a faulty part.

非官方报道认为，该航空公司可能没有按飞机生产厂家的使用说明，为该飞机更换一个失灵部件。

youdao

Sometimes manufacturers don't learn of a quality issue until after a customer goes to the dealer with a complaint and the dealer ships the faulty part back to the factory.

FORBES: Big Mechanic Is Watching

Should such a high risk attack fail due to faulty information or prudent anticipation on the part of the adversary, the enemy may not be deterred and may respond with even greater force.

CENTERFORSECURITYPOLICY: Center for Security Policy | Chinese Information Warfare: A Phantom Menace or Emerging Threat? | Page: 14

Officials also found that faulty taping led to cracks in cockpit glass, while problems with a part led to braking difficulties.

BBC: Boeing 'set to offer plan to fix Dreamliner battery'