As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O ROLL AT 65KTS EMERGENCY EXIT EICAS CAME ON. T/O REJECTED AND RETURNED TO RAMP. SEVERAL PLACES OF LOOSE HARDWARE IN THE MOUNTING AREA, REINSTALLED SWITCH PLATE AND CHECKED OPERATION SWITCH NOW OPERATING WHEN THE EMERGENCY EXIT HANDLE MOVES APPROXIMATELY .3750 INCH FROM THE STOWED POSTION. REINSTALLED ACCESS PANELS WORK IAW MM 52-20-00.