As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TOTAL ACFT ELECTRICAL FAILURE (BOTH BUSES + INVERTERS) EMERGENCY DECLARED. R & R DC BPCU IAW AMM JIC 24-46-83-RAI-10000 AND JIC 72-00-00-ERU-10000. R & R ACW BUS POWER CONTROL UNIT IAW JIC 24-41-83-RAI-10000-001. OPS CHECK GOOD NO ELECTRICAL DISCREPANCIES NOTED.