The FAA warned Boeing that improper electrical grounding on its 777 could result in ‘fire or explosion’ mere months before fatal Singapore Airlines flight hit electrical storms MondayThe FAA warned Boeing that improper electrical grounding on its 777 could result in ‘fire or explosion’ mere months before fatal Singapore Airlines flight hit electrical storms Monday The FAA warned Boeing that improper electrical grounding on its 777 could result in ‘fire or explosion’ mere months before fatal Singapore Airlines flight hit electrical storms Monday Science & tech Articles | Mail Online