What was found
LANDING, ON DOWN WIND APPROACH SMELLED ODOR, ON FINAL THE ODOR BECAME STRONGER, ON LANDING SMOKE CAME FROM OVERHEAD CIRCUIT BREAKER PANEL AREA. THE NR 2 PITCH AMP BREAKER POPPED. MAINTENANCE PULLED OVERHEAD AND AFCS CIRCUIT BREAKER PANEL, FOUND NO EVIDENCE OF FIRE. TRACED WIRE BACK TO THE NR 2 AFCS AMP ASSY. REMOVED NR 2 AFCS AMP AND FOUND EVIDENCE OF THE NR 2 AMP HAD SMOKED. REINSTALLED CABIN AND PILOT OVERHEAD TRIM AND THE AFCS CIRCUIT BREAKER PANEL, CARRIED THE NR 2 PITCH AMP TO HARDCOVER (MEL) AND RETURNED AIRCRAFT TO SERVICE. (K)