The following information was taken from the FRA Railroad Accident Report associated with this incident, that CSX filed with FRA.
Train consisted of 2 units, 0 loads, 105 empties, 3236 tons.
FRA Cause Code applied as cause for this incident is: H514- Failure to allow air brakes to fully release before proceeding.
The report states "As CSX train B80220 began to make a pulling move from a complete stop, engineer used excessive force to make initial movement with brakes still applied on train, resulting in string line derailment...."
As Tom mentions in his post, this root caused was arrived at through a complete and thorough investigation of the incident, including locomotive event recorder downloads and employee statements, along with any physical evidence at the scene.
Submitted in the interest of keeping things factual......
C.J.
