As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON PUSHBACK GOT ENG MASTER CAUTION W/O RECALL AND EEC IN ALT. PERFORMED EEC BITE PER FIM 73 00 TASK 801 LOGGED FAULT MSG BOTH ENGINES 73 31641 AND 73 31642. PERFORMED EEC TEST LEFT AND RIGHT ENGINES CH. A&B REF AMM 73 21 00 700 804 FOO. EEC TEST PASSED BOTH ENGINES CH A & B.