The [Nigerian Safety Investigation Bureau](https://nsib.gov.ng) has opened a probe into a private jet incident involving a [Challenger 604](https://en.wikipedia.org/wiki/Bombardier_Challenger_604) registered T7‑SEI, operated by [Triton](https://www.tritonairways.com), after the aircraft’s door detached shortly after take‑off from Abuja en route to Lagos, prompting a mayday call and a safe return to Abuja.
The flight left Abuja at 16:12 UTC, climbed to 3,500 ft and, three nautical miles from the airport, the crew issued a mayday when the door came off. The jet turned back and touched down on Runway 22 at 16:34 UTC. Nine occupants – three crew and six passengers – were on board and all disembarked unharmed.
NSIB Director General and CEO Captain Alex Badeh Jr said the missing door has been recovered and stored in the bureau’s wreckage hangar, and that investigators are now working to determine the cause of the incident. He added that further information will be released as the inquiry proceeds.