What was found
WHILE EN ROUTE FROM CLT TO LCK PILOT SMELLED SMOKE COMING FROM AFT COMPARTMENT, DIVERTED INTO LNP. MAINTENANCE FOUND THAT THE PITCH SERVO CAUSING THE SMOKE, PULLED AND TYRAPED CIRCUIT BREAKER FOR PITCH SERVO, MEL'D AUTO-PILOT AND FLEW IT BACK TO MAINTENANCE BASE IN LCK WHERE MX CHANGED SERVO, OPS CHECKED GOOD.