What was found
CLT - FLT 9265 - A/C PREPARING FOR FERRY FLT WHEN ELECT PROBLEMS OCCURED. ACARS WENT INTO BITE TEST BEFORE TAKING RUNWAY. AUTO THROTTLE WENT INOP. AT FL180, NR 1 GEN DROPPED OFF LINE, WOULD NOT RESET. CAPT COULDN''T COMMUNICATE W/DISPATCH DUE TO ACARS PROBLEM. RETURNED TO FIELD. MX REPAIRED ACARS, R/R ACARS IDU (P/N 2229346-121). SYS OPS CHECK GOOD. RELEASED AUTO THROTTLES ON MEL DUE INOP NR 2 LVDT. REPLACED NR 2 LVDT (P/N 65-51534-12). OPS TEST GOOD, CLEARED MEL. NR 1 GEN FEEDER WIRE INSULATION CHAFED AND SHORTED TO WIRE BUNDLE CLAMP 18 INCHES FROM FIREWALL CONNECTOR. ACCOMP TEMP REPAIR PER BOEING WPM 20-10-13 AND PROGRAMMED NEW HARNESS REPLACEMENT NEXT MX CHECK.