As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING ASA T/C 78273000 FOUND SHORT TIME FAULT 73-20012 ON ENGINE #2 INTERNAL EEC FAULT. GROUNDED - YES. ACCOMPLISHED EEC TEST REF B737-800 AMM 73-21-00-700- 804-F00. NO FAULTS IN RECENT OR FAULT HISTORY. RELOADED EEC SOFTWARE REF AMM 73-21-60-470-801-F00.