As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROX 130 KT, MASTER WARNING AND CONFIG LIGHTS ILLUMINATED ACCOMPANIED BY FLAPS EICAS MESSAGE. T/O WAS ABORTED. *S/D* SHOP TESTED THE SUBJECT T/O CONFIG WARNING CARD AND FOUND AN INTERMITTENT FAILURE. REPLACED T/O CONFIG WARNING MODULE M620.