As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE HOLDING FOR TAKEOFF THE FLIGHT CREW RECEIVED A BLUE WEIGHT ON WHEELS EICAS MESSAGE. THE FLIGHT CREW EXITED THE RUNWAY AND CYCLED AIRCRAFT POWER WHICH RESULTED IN THE WARNING MESSAGE TO CLEAR. THE FLIGHT CREW THEN RETOOK THE RUNWAY AND A SUCCESSFUL TAKEOFF WAS MADE.