If the agreement is rejected, members will face a separate vote on whether to strike at 12:01 a.m. on Sept. 13th, once the current contract expires. Investors are paying close attention to any labor dispute. A shutdown of Boeing's Seattle-area industrial base would add to the company's operational and financial woes, potentially derailing a recovery in the second half of the year, Bloomberg Intelligence analyst George Ferguson wrote in a July 3 note. The timing couldn't be worse for Boeing, whose leadership is in limbo as the company's board searches for a new chief executive officer. Speaking at a senate hearing in June that probed the company's safety culture, current CEO Dave Calhoun said that workers would get a raise, when confronted with his own renumeration package. The planemaker faces multiple investigations, and the disgrace of pleading guilty to a felony count.