How is the investigation of Delta Flight 4819 proceeding at Toronto Pearson Airport?

The investigation into Delta Flight 4819 has swiftly mobilized with substantial resources. Seven members of the Transportation Safety Board of Canada arrived at Toronto Pearson the night of the incident to begin the investigation, with thirteen additional investigators joining the following day. The investigation is entering a new phase with collaborative efforts between Canadian and U.S. authorities, as members of the U.S. investigation team have also arrived to assist. This coordinated response demonstrates the seriousness with which authorities are examining the accident to determine its causes and prevent future incidents.