What was found
(CAN) WHILE LANDING ON A TRAINING FLIGHT, AFTER THE REVERSE WAS APPLIED AND STOWED NORMALLY, THE LT ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED. THE PILOT TRIED TO INCREASE POWER BUT NO RESPONSE. WHITE SMOKE COULD BE SEEN LEAVING THE COWLING AFT AND EXHAUST. ENGINE WAS SHUTDOWN, FIREWALL SHUT OFF CLOSED AND FIRE EXTINGUISHER DISCHARGED. GROUND EMERGENCY CREWS FOUND NO HOT SPOTS AND NO EVIDENCE OF FIRE. POST FLIGHT VISUAL INSPECTION FOUND NO ANOMALIES AND AN ATTEMPTED ENGINE RUN RESULTED IN THE STARTER GENERATOR NOT COMING ON LINE. THE STARTER GENERATOR, GENERATOR CONTROL UNITS WERE REPLACED AND SWAPPED TO NO AVAIL. TROUBLESHOOTING IS CONTINUING.