The Dow lost 23 points to close at 13,511 Wednesday.
Japan's two biggest airlines grounded all their Boeing 787s for safety checks after one was forced to make an emergency landing.
The plane has been plagued by a series of problems this year, including a battery fire and fuel leaks.
The Standard & Poor's 500 index rose less than one point to 1,472, while the Nasdaq composite climbed six points to 3,117.
Goldman Sachs jumped 4 percent after its earnings nearly tripled. Other banks fell.
Falling stocks outnumbered rising ones on the New York Stock Exchange. Volume was relatively light at 3.1 billion shares.