As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKE OFF CONFIG WARNING FOR FLAPS & PARKING BRAKE CAME ON DURING BOTH ENGINE STARTS. LEFT AND RIGHT EEC MESSAGE DISPLAYED. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE DEFERRED LEFT AND RIGHT EEC'S PER MEL 73-21-1-1A. AIRCRAFT RETURNED TO SERVICE.