The inspections follow an urgent safety warning from the National Transportation Safety Board citing an "immediate and unacceptable safety risk" involving the 50-year-old railcars.
The FRA on Friday extended the deadline for SEPTA to fully inspect its Silverliner IV railcars until Friday, Nov. 14.
Federal regulators have extended SEPTA's deadline for safety inspections and repairs of Silverliner IV rail cars.
SEPTA now has until November 14 to finish inspecting its Silverliner IV fleet, the transit agency announced Friday afternoon.