MUMBAI: An Air India Boeing 787 Dreamliner, carrying out an engineering test flight, returned to Mumbai within an hour of take off following a fire warning on Saturday.
The aircraft (VT-ANT), which departed at 11.59 from Mumbai received a fire warning, in the auxiliary power unit (APU). An APU is a small engine, mounted on the tail cone of an aircraft to provide power for various functions such as starting power for main engines, air-conditioning cabin when aircraft is on ground etc.
