As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TASK CARD 78273000 FOUND LONG TIME INTERNAL EEC FAULT MSG NBR 73-20202 ON #2 ENG. GROUNDED - YES. PERFORMED T/C 78273000 ON ENG #2, FOUND NO RECENT FAULTS , NO HISTORY FAULTS. PERFORMED #2 ENG EEC TEST PER B737-800 AMM 73-21-00, NO FAULTS NO HISTORY NO FAULTS FOUND AT THIS TIME T/S IAW B737-800 FIM 73-21 TASK 801.