What was found
WHILE ON TRAINING FLIGHT, RT AC GENERATOR (MECHANICAL FAIL) LIGHT ILLUMINATED. THE CAPTAIN PERFORMED AN IN-FLIGHT PRECAUTIONARY SHUTDOWN OF THE RT ENGINE IAW PROCEDURES IN THE EMERGENCY PROCEDURES CHECKLIST. THE AIRCRAFT RETURNED TO BASE AND MADE AN UNEVENTFUL LANDING. RT AC GENERATOR WAS REMOVED AND INSPECTED. THERE WAS NO OBVIOUS DAMAGE TO THE GENERATOR. THE REDUCTION GEARBOX DRIVE GEAR WAS ALSO INSPECTED FOR DAMAGE. NONE WAS FOUND. A SERVICEABLE GENERATOR WAS INSTALLED AND THE AC WAS RETURNED TO SERVICE. (K)