What was found
JFK - AFTER DEPARTURE, RT A/C GENERATOR FAILURE LIGHT ILLUMINATED WITH A SHOWER OF SPARKS EMANATING FROM THE RT A/C GENERATOR EXHAUST DUCT. THE CREW SECURED THE ENGINE AND RETURNED TO JFK, LANDING WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT AND REPLACED THE GENERATOR, QED PAD AND MOUNT CLAMP. VISUALLY INSPECTED NACELLE WITH NO DEFECTS FOUND. PERFORMED REQUIRED GROUND RUNS AND RETURNED A/C TO SERVICE.