Three India-bound Boeing 787 Dreamliners have been forced to return back to base within a 36-hour period after being hit with problems. The Air India passenger jets -the same type as the aircraft involved in last week's tragedy in Ahmedabad- suffered a mix of issues from a bomb threat to a technical glitch.

An Air India Boeing 787-8 Dreamliner plane bound for New Delhi returned to its origin of Hong Kong as a precautionary measure on Monday (June 16), after the pilot suspected a technical issue mid-air,

India's aviation safety watchdog said on Tuesday surveillance conducted on Air India's Boeing 787 fleet did not reveal any major safety concerns, days after one of its jets crashed, killing at least 271 people.