As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE CONTROL #2 LIGHT ON PRIOR TO TAKEOFF. LIGHT STAYED ON UNTIL ENGINE SHUT DOWN. GROUNDED - YES. PERFORMED EEC BITE REF B737-800 FIM 73-00 TASK 801. FOUND FAULT 75-2052. PERFORMED DRY MOTOR AND ACTUATOR TEST REF 71-00-00-700-807-FOO. TEST PASSED . FOUND TO BE INTERMITTENT FAULT PER 75-23 TASK 801.