As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE-OFF ROLL THE RIGHT SIDE INNER SPOILER LEFT DEPLOYED. DESPITE OF THE TAKEOFF THRUST, THE RIGHT SIDE INNER SPOILER DID NOT MOVE. THE CREW ABORTED THE TAKEOFF AND TAXIED BACK TO APRON. THE CREW PERFORMED A NEW POWER UP AND THE PROBLEM WAS SOLVED. EVENT IS UNDER INVESTIGATION.