Boeing (BA) has just hit a major snag in negotiating with the roughly 33,000 workers who went on strike earlier this month for higher pay, decreased out-of-pocket health care costs, retirement security,

Boeing said on Tuesday it has offered additional time and support to the union representing thousands of its striking workers in the U.S. West Coast to vote on its new labor offer, after an earlier Friday deadline was rejected.

Boeing said Monday it has raised its offer to the International Association of Machinists union to end the strike by 33,000 union members that has now entered its 11th day.