An Air India executive is still urging its staff not to jump to any conclusions as the investigation into the crash that killed 260 people last month continues. A preliminary report into the June crash found that the plane's fuel control switches had been flipped off one by one.

Air India Chief Executive Campbell Wilson has urged employees not to jump to conclusions about the cause of last month’s fatal crash involving one of the airline’s Boeing ( NYSE: BA) 787 Dreamliners, emphasizing that the investigation remains ongoing and far from complete, The Wall Street Journal reported Monday.