As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED 40 MINS AFTER TAKE OFF, AN EICAS MESSAGE DISPLAYED FOR ELEC EMERGENCY ABNORMAL WITH ALL GENERATORS OPERATING NORMAL AND INTERMITTENT EICAS MESSAGE EMERGENCY LIGHT NOT ARMED. EICAS MESSAGES CLEARED AFTER CONTACTING DISPATCH BUT RETURNED ON LANDING. UNEVENTFUL LANDING. PERFORMED FIM 24-06-00 WITH A DC ELECTRICAL LOAD DISTRIBUTION ADJUSTMENT TEST. COULD NOT DUPLICATE FAULT. EICAS WAS CLEARED AND AIRCRAFT RETURNED TO SERVICE.