India aviation agency tells airlines to investigate fuel switch locks on several Boeing models, including 787s and 737s.

India's civil aviation regulator, DGCA issued urgent directive for Indian operators of Boeing aircraft. DGCA, on July 14, mandated operators to conduct inspections of engine fuel control switch ...

The FAA, in a notification issued on July 11, maintained that the fuel control switch design does not pose any safety risks, and Boeing echoed that view.

Air India CEO Campbell Wilson said that there were no mechanical problems with the engine of the Boeing 787 that crashed.

While the preliminary report into what caused the loss of Air India Flight 171 last month has provided some answers, it has also prompted a wave of speculation about its cause.