As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING BOTH ENGINES CREW NOTED 5% SPLIT IN N2 INDICATIONS. CREW ADVANCED POWER ON BOTH ENGINES TO BEGIN TAXIING OUT OF PARKING, ONLY RT ENGINE WOULD ADVANCE IN POWER. CREW SHUT DOWN BOTH ENGINES AND CONTACTED MX. MX TROUBLESHOT AND NOTED NR 1 FUEL CONTROL REQUIRES REPLACEMENT. REMOVED AND REPLACED WITH OVH UNIT. OPS CHECKS GOOD.