两架波音客机突发意外！

Group 1 - A Boeing 737 aircraft operated by WestJet Airlines experienced a small exhaust pipe fire while parked at Vancouver International Airport, leading to the evacuation of passengers without any reported injuries [2][3] - The affected Boeing 737 MAX 8 has been grounded for maintenance, but the incident did not disrupt airport operations or flight schedules [3] - The Transportation Safety Board of Canada has dispatched an investigation team to gather information and assess the situation regarding the incident [4] Group 2 - A Boeing 737-300 operated by Peace Airlines in Nigeria deviated from the runway upon landing, but all passengers and crew were reported safe with no damage to the aircraft [6] - The incident occurred during a flight from Lagos to Port Harcourt, highlighting the operational safety of the Boeing 737-300 model [6] Group 3 - The FAA and Boeing have privately communicated that the fuel shutoff switches on Boeing aircraft are safe, despite concerns raised by a recent investigation into a Boeing 787-8 crash in India [8][9] - The FAA does not consider the fuel control switch design a safety issue and has issued continued airworthiness notifications for various Boeing models, including the 787 [8][9]