As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A ROUGH ENGINE DURING VARIOUS PHASES OF THE PRE-TAKE OFF RUN UP. AFTER TROUBLESHOOTING AND TESTING, THE FUEL CONTROL, FLOW DIVIDER AND ONE FUEL NOZZLE WERE REPLACED WITH SERVICEABLE PARTS. THIS ENGINE/FUEL CONTROL COMBINATION HAS BEEN THE SUBJECT OF AN AIRWORTHINESS DIRECTIVE.