N914DU

Probable cause: The American Airlines flight 106 (AAL106) crew s surface navigation error due to distractions caused by their performance of concurrent operational tasks during taxi, which resulted in a loss of situational awareness. Contributing to the incident was the air traffic control tower team s nondetection of the AAL106 crew s deviation from taxi instructions while performing concurrent operational tasks; the timing of the runway status light system, which activated too late to prevent the AAL106 crew from crossing the runway hold short line; and American Airlines lack of adequate risk controls to prevent concurrent flight crew tasks from leading to distraction, loss of situational awareness,…