As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - DURING A MAINTENANCE TEST FLIGHT, THE CREW NOTED SMOKE IN THE COCKPIT AND CABIN ON SHORT FINAL. THE CREW SHUT OFF THE BLEEDS AND RETURNED TO DTW. MAINTENANCE GROUND RAN THE ACFT. ALL SYSTEMS OPERATED SATISFACTORILY. NO SMOKE NOTED. (W)