As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE FLIGHT WITH CLEAR SKIES THE ACFT HAD A DOUBLE AC GENERATOR FAILURE WITH ALL ASSOCIATED CAUTION LIGHTS. TROUBLESHOOTING REVEALED THAT 2 OF THE 6 AC GCU "CROSSTALK" WIRES ALONG THE LT WING REAR SPAR BETWEEN THE NACELLE AND THE FUSELAGE WERE CHAFED AND SHORTED. THE WIRES WERE REPAIRED IAW SYD 8-24-005. GROUND RUNS WERE COMPLETED AND THE ACFT RETURNED TO SERVICE.