What was found
RIGHT BRAKE WAS GRABBING ON TAXI OUT. BRAKE GRABBED AT DIFFRENT TAXI SPEEDS AND WHEN TURNING TO THE RIGHT AND LEFT. AND GRABBING SOUND CAN BE HEARD. CORRECTIVE ACTION: TAXIED AIRCRAFT ON RAMP, TAXI WAY AND AT MODERATE SPEED ON THE RUNWAY FOR 10 MINUTES. LEFT AND RIGHT BRAKES PERFORMED SMOOTHLY WITH NO GRABBING OR OTHER ABNORMALITIES. BRAKES ALSO FUNCTION PROPERLY DURING RAPID DECELERATION AND STEERING BY BRAKE. PARKING BRAKE HOLDS ON ENGINE RUN. HYDRAULIC ACCUMULATOR IS SERVICED PER PLACARD. VISUAL EXAMINATION OF BRAKES AND PLUMBING SHOW NO DEFECTS. BRAKE PIN WEAR IS LIKE NEW CONDITION. EMBRAER CONTACT CENTER AGREED THAT THIS COULD BE AN OCCURRENCE WHERE THE PLANE NEEDED A POWER CYCLE FOR THE SYSTEM TO RESET..