What was found
(CAN) DURING NORMAL FLIGHT, PILOT SMELLED SMOKE IN THE COCKPIT, FOLLOWED SHORTLY AFTER BY A LOW OIL PRESSURE WARNING LIGHT ILLUMINATING. AN UNSCHEDULED LANDING WAS MADE WITH NO DAMAGE OR INJURIES. UPON EXAMINATION THE TURBO OIL PRESSURE LINE WAS FOUND CRACKED AT THE TURBO FITTING. 5 CLAMPS DESIGNED TO SUPPORT THE TURBO OIL LINES WERE FOUND MISSING. THE ABSENCE OF THESE CLAMPS ALLOWED VIBRATION TO HARDEN THE PRESSURE OIL LINE AND A CRACK FORMED AT THE TURBO FITTING CAUSING AN OIL LEAK AND AN OIL PRESSURE LOSS.