Industrial production fell 0.1% in October after a revised 0.7% gain the previous month, the Federal Reserve reported Friday.
September's industrial production gain was originally reported as a 0.6% increase.
Capacity utilization edged down to 78.1% from an unrevised 78.3% in September.
Economists polled by Thomson Reuters expected a 0.2% increase in production and 78.3% capacity utilization.
Manufacturing output was up 0.3% in October following an unrevised 0.1% increase the previous month.
Utilities fell 1.1% in October after rising a revised 4.5% in September, originally reported as a 4.4% increase.