NTSB: Brakes on Trolley Involved in SEPTA Derailment Disabled to Allow for Repairs
A preliminary report on the derailment of a Southeastern Pennsylvania Transportation Authority (SEPTA) trolley issued on Aug. 21 by the National Transportation Safety Board (NTSB) has revealed that the brakes on trolley 9107, which, on July 27, derailed and struck an SUV and a restaurant, had been disabled on the day of the accident to allow for air compressor replacement.