As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THEY LOST ACCELERATION, THEN ENGINES SURGED ON TAKEOFF. THE TAKEOFF WAS ABORTED. MX INSPECTED AND PERFORMED ENGINE PERFORMANCE RUNS. NO DEFECTS WERE NOTED. DOWNLOAD DFDR AND CMC AND NO DEFECTS WERE REPORTED. THE ACFT WAS RETURNED TO SERVICE.