What was found
DISCOVERED BURNED ODOR IN CABIN WHILE RETURNING TO BASE. VERIFIED THAT HEATING AND DEMISTER WAS STILL OFF. FAILED MESSAGE AND PUSHED RESET AND FAILED AGAIN. ODOR HAD DISSIPATED AT THIS POINT, OVER AIRPORT AND LANDED UNEVENTFULLY. ON SHUTDOWN, FAILURE MESSAGE STATED CODE 39, KEYBOARD FAILURE/ SCREEN MODULE (LT AND RT). TROUBLESHOT IAW EC130B4, AMM 31-61-00, 1-1 AND FOUND VEMD HAD INTERNAL FAILURE.