As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)DURING CLIMB OUT THE CREW NOTICED A LOW VOLTAGE WARNING LIGHT. THEY SELECTED AUX REGULATOR AND SHORTLY AFTER AGAIN GOT A LOW VOLTAGE WARNING LIGHT. AIRCRAFT DIVERTED TO MAINTENANCE BASE. INVESTIGATION REVEALED AN OVERVOLTAGE CONDITION WHICH WAS TRACED TO A CHAFED WIRE. WIRE REPAIRED.