As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT OF 340 NO 2 THROTTLE AHEAD OF NO1 THROTTLE BY HALF KNOB ENGINE PARAMETERS MATCHED AND NORMAL, AT CRUISE ALTITUDE THROTTLES MATCHED NO FURTHER SPLIT OBSERVED FOR REST OF TRIP. GROUNDED - YES. REMOVED AND REPLACED NR 2 EEC REF AMM 73-21-60. EEC AND ACTUATORS TEST PASSED.