As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF CLIMBING OUT OF 3000 FT LOST ALL GENERATORS, APPEARED TO BE PRODUCING POWER BUT COULD NOT CONNECT TO THE SYSTEM. DEPLOYED ADG AND RETURNED TO AIRPORT. REMOVED AND REPLACED EPCU REF AMM. RAN ALL ENGINES PER JRH. ALL INDICATIONS NORMAL NO FAULTS.