What was found
EXHAUST ODOR IN THE COCKPIT, DURING FERRY FLIGHT. ENGINE EXHAUST ODOR FOR ENTIRE DURATION OF FLIGHT, DISSIPATED DURING TAXI IN, WHILE RUNNING QRH PROCEDURE IN DECENT. MAINTENANCE ACCOMPLISHED SIC 26L00021001, 26L00021004, AND 26L00021005-1 AND 2, SMOKE ODOR FUMES, ENGINE 1 AND 2 SMOKE ODOR FUMES AND DECONTAMINATION OF ENVIRONMENT CONTROL SYSTEM. NO FUMES NOTED.