As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF DESCENT ALL COCKPIT INSTRUMENTS AND INDICATORS EXPERIENCED A MOMENTARY LOSS OF POWER - ON ENGINE GENERATORS, VISUAL CONDITIONS. POWER WAS RESTORED IMMEDIATELY WITH NO CREW ACTION. REMAINDER OF FLIGHT NORMAL. REPLACED NR 2 GENERATOR BREAKER.