As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE EN-ROUTE, THE ACFT EXPERIENCED A MOMENTARY COMPLETE LOSS OF ELEC POWER THAT LASTED ABOUT 2 SECONDS, THEN RETURNED TO NORMAL WITH AN AMBER GOV LIGHT ILLUMINATED. WE RETURNED TO BASE FOLLOWING THE EMER PROCEDURE FOR AN AMBER GOV LIGHT & LANDED WITHOUT INCIDENT. INSPECTED & CLEANED ALL ELEC CONNECTORS ON THE DECU, GEN & BATTERY. ACFT WAS GND RUN & FLIGHT CHECKED & COULD NOT DUPLICATE. ACFT WAS RETURNED TO SERVICE.