 It was reported that G7 was said to have been reported for technical problems "possibly half a dozen times" and had developed a reputation amongst the mechanical operations branch, saying the problems were "normal" for the set in question.During the six months leading up to the accident, three reports of technical problems were made.The inquiry found a number of flaws in the deadman's handle (which was not implicated in the accident) and related to the deadman's pedal