Sylvia Adcock : Investigators need to look closely at Flight 370 's cargo manifest . Comment: The plane was carrying a lot of fuel, and the crew hadn't been paying attention when they were filling it up. Malaysian officials said jet was carrying 440 pounds of lithium ion batteries . Adcock : Lithium ion batteries are flammable , can burn in a way that 's difficult to extinguish . Checking this is at least as important as investigating pilot 's flight simulator , she says .
Sylvia Adcock : Investigators need to look closely at Flight 370 's cargo manifest . Adcock : Malaysian officials said jet was carrying 440 pounds of lithium ion batteries . Adcock : Lithium ion batteries are flammable , can burn in a way that 's difficult to extinguish . Checking this is at least as important as investigating pilot 's flight simulator , she says .