What was found
TOOK OFF FROM W22 ON A FERRY FLIGHT TO BNA WHEN SMOKE BEGAN TO APPEAR IN THE COCKPIT ACCOMPANIED BY AN ODOR OF SOMETHING BURNING (SMELLED ELECTRICAL INITIALLY). DIVERTED TO KCKB AND STATED TO ATC THAT A PRECAUTIONARY LANDING WAS NECESSARY DUE TO SMOKE IN THE COCKPIT. AN EMERGENCY WAS NOT DECLARED BY THE PILOTS AS THE SITUATION WASN’T CONTINUING TO DETERIORATE. MX WAS DISPATCHED TO THE AIRCRAFT AND PERFORMED FIM TASK 21-20-00-810-801-A. WITH NO DEFECTS NOTED. RAN BOTH ENGINES UP TO TAKE OFF POWER WITH BLEED AIR ON. NO SMOKE VISIBLE OR SMELL NOTED IN CABIN OR COCKPIT. FERRY PERMIT REISSUED AND CONTINUED TO KBNA UNEVENTFULLY.