On January 4, 2024, a New York City Subway train derailed causing at least 26 people, mostly passengers, to suffer minor injuries.

[7] The operator was unable to reset the emergency brakes and subsequently moved to the 79th Street Station to drop off passengers.

[7][6] The out-of-service train was being operated from car six in the middle of the consist by a transit system supervisor.

A flagger, who was in the lead car helping to coordinate the train's movement, said that he lost radio communications with the supervisor near the 96th Street station.

Consequently, the supervisor did not receive the command to stop prior to the signal requiring them to do so at the end of the station.

In a January 25, 2024 release, the NTSB stated that its investigation would focus on four factors: "NYCT’s operating procedures when moving bad order cars, radio communication procedures, mechanical procedures when placing a revenue train in bad order status, and the lack of federal requirements for railcar event recorders on FTA regulated properties.