What was found
UPON APPROACH TO LAND AT DESTINATION AIRPORT THE LT GENERATOR ANNUNCIATOR ILLUMINATED AND THE CREW NOTED THE LT GENERATOR VOLTAGE WAS ZERO. FOLLOWING PROCEDURES THE AIRCRAFT MADE AN UNEVENTFUL LANDING WHERE IT TAXIED TO THE RAMP AND MAINTENANCE WAS CALLED. INVESTIGATION REVEALED FAILURE OF THE LT STARTER/GENERATOR. NO GCU FAULTS WERE NOTED. AN OVERHAULED STARTER/GENERATOR WAS PROCURED AND INSTALLED, A SUCCESSFUL GROUND OPERATIONAL CHECK WAS PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE. IT IS UN-KNOW WHAT CAUSED THE FAILURE OF THE GENERATOR. A VISUAL INSPECTION OF THE BRUSH & BRUSH BLOCK AREA AND NOTHING DEFINITIVE WAS NOTED.