What was found
(CAN) THE ACFT HAD A DUAL AC GENERATOR FAILURE ON DEPARTURE. THE ACFT RETURNED SAFETY TO THE AIRPORT. SUBSEQUENT INVESTIGATION FOUND 3 SHORTED WIRES AT THE RT REAR SPAR AREA JUST OTBD OF THE FUSELAGE. THE FOLLOWING WIRES FOUND CHAFED & SHORTED : 2421-1001G12A-1, 2421-1003G12C-1 & 2421-2001F12A-1. ALL 3 WIRES SPLICED IAW STD PRACTICES. WIRES SECURED IAW SL-24-010 ON BOTH SIDES. ENGINE RUNS WERE CARRIED OUT THE ACFT RETURNED TO SERVICE. (TC20100201002)