As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3265 - DURING TAXI FROM GATE IN FSD, THE CREW NOTED A SMOKEY ODOR IN THE AIRCRAFT ALONG WITH A SMALL AMOUNT OF VISIBLE SMOKE. THE CREW SHUT DOWN THE LEFT BLEED AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE LEFT COOLING TURBINE. ALL SYSTEMS OPERATED SATISFACTORILY. (M)