What was found
NR 2 AC GENERATOR CAUTION LIGHT ILLUMINATED ON TAXI OUT. MAINTENANCE INSPECTED AIRCRAFT CONTATOR BOX. FOUND WIRE CHAFED BARE AT 2421 TB2-1A AND EXPOSED WIRE AT TERMINAL END OF CB8 WIRE 2005DA22A-1. REPAIRED CHAFFED TERMINAL BLACK WIRE PER AMM 20-45-04. REPAIRED TERMINAL END PER AMM 20-45-05. COMPLIED WITH OPERATION CHECK OF AC SYSTEM PER AMM 24-21-00, PAGES 501-503. CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.