Probe Into Dreamliner Battery Meltdown Falls Short

The investigation into a battery issue identified a short circuit but could not pinpoint the exact cause, considering possibilities like lithium iron buildup or metal fragments. A lengthy press conference revealed no conclusive evidence, though Boeing had already implemented a solution involving cell separation, a steel case, and vent tubes, which has prevented further incidents.

What was identified as the main issue in the battery investigation?

• A short circuit

• A faulty charger

• Overheating

• A software glitch

Which of the following was NOT considered a potential cause of the battery issue?

• Metal fragments

• Separator problems

• Lithium iron buildup

• Overcharging

What was the condition of the battery as revealed in the press conference?

• It was intact

• It was slightly damaged

• It was missing

• It was badly melted

What did Boeing's solution NOT include?

• Adding venting tubes

• Separating the cells

• Adding a cooling system

• Using a steel case

How long has Boeing's solution been in place without any global groundings?

• One and a half years

• Six months

• Two years

• One year