As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPLICATION OF TAKE OFF POWER CREW RECEIVED CONFIGURATION SPEEDBRAKE EICAS WARNING AND ASSOCIATED AURAL WARNING CREW DISCONNECTED T/O BELOW 5 KTS. PERFORMED MAT TEST ON WARNING ELECTRONICS SYSTEM AND SPEED BRAKE TEST. NO DEFECTS NOTED NO MESSAGES OR FAULTS AT THIS TIME.