According to the AA 10-K filed this past week, 75% of the maintenance personnel at the combined new AA work for pre-merger AA and 25% of them are employed by the pre-merger US.
If the TWU had any balls, they would have laughed off the ridiculous attempt by the IAM to remain on the property. As worthless as the TWU has been for the AA mechanics, the IAM-TWU "Association" is even more worthless.