PPG Industries, Inc. v. International Chemical Workers Union Council of the United Food & Commercial Workers

Reversed and remanded by published opinion. Judge MOTZ wrote the opinion, in which Judge DUNCAN and Judge CURRIE joined.

OPINION

DIANA GRIBBON MOTZ, Circuit Judge:

A reviewing court must defer to an arbitrator’s construction of a contract even when the court believes that the arbitrator construed the contract incorrectly. In this case, the district court vacated the arbitration award, concluding that the arbitrator exceeded his authority by adding a term to the underlying contract. We conclude, however, that even if the arbitrator erred, he acted within the scope of his authority under the…