engines, an error alert button to the air data module lit up. the flight was boarded. inspection revealed the tempering. video helped videos identify the culprit. court documents say the footage captured what appears to be the sabotage of a target aircraft at concourse d, gate 49. the driver appears to be male with a light complexion and has a limp to his walk. american airlines has been in a bitter dispute with the unions that represent more than 12,000 mechanics at one time accusing them of a work slow down. and alani has been suspended. in a statement to the fox news, the airline says at american, we have an unwaivering security commitment and we re taking this matter seriously.