What was found
PILOT REPORTED: FLAPS STUCK IN LANDING, WHEN SELECTED POSITION SWITCH TO TAKOFF, FLAPS WENT FULL DOWN. ENVIROMENTAL SMOKE AND FUMES IN THE COCKPIT. NO EMERGENCY DECLARED, AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENTS. MAINTENANCE FOUND THE FLAP MOTOR ASSEMBLY TO BE BURNT AND FAULTY, CAUSING FLAP FAILURE AND FUMES IN THE COCKPIT. REMOVED AND REPLACED FLAP MOTOR ASSEMBLY, OPERATIONAL CHECKS SUCCESSFUL.