Tragedy of Once: the emergency brake was not working


April 18, 2012


On this day, the results of the tests performed for the Tragedy of Once were released. It was shown that the so-called “braking guard” did not work properly the day of the accident.

As indicated by the experts, the emergency brake is activated manually malfunctioned, though his character would technically unnecessary to stop properly.

The report explains that the brake guard “is operated by pulling a knob hanger” and “was not operative in the driver’s cab.”

As for the performance of motorman, Marcos Antonio Cordoba, experts said that “there are no objections to be made regarding the fitness involved.”

Also, the expertise found that “most of the units is with deferred maintenance,” adding that “the lack of preventive maintenance means, of course, a security risk of the operation.”


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