Narrative:

Immediately after receiving takeoff clearance from tower, F/a called cockpit to report strong odor and possible smoke. We taxied off runway and directed her to inspect further. We then notified tower of our intentions to return to our gate. F/a reported smoke in cabin. We then advised tower/ground of our intent to evacuate/evacuation aircraft. Tower ground notified crash fire rescue equipment at our request. We evacuated aircraft as per training and all emergency checklists. There were no injuries. Maintenance said front freon had frozen up and a burnt motor was source of smoke/odor.

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Original NASA ASRS Text

Title: SMOKE IN CABIN OF MDT CAUSED FLT CREW TO DECLARE AN EMERGENCY AND EVACUATE THE PASSENGERS.

Narrative: IMMEDIATELY AFTER RECEIVING TKOF CLRNC FROM TWR, F/A CALLED COCKPIT TO RPT STRONG ODOR AND POSSIBLE SMOKE. WE TAXIED OFF RWY AND DIRECTED HER TO INSPECT FURTHER. WE THEN NOTIFIED TWR OF OUR INTENTIONS TO RETURN TO OUR GATE. F/A RPTED SMOKE IN CABIN. WE THEN ADVISED TWR/GND OF OUR INTENT TO EVAC ACFT. TWR GND NOTIFIED CFR AT OUR REQUEST. WE EVACUATED ACFT AS PER TRNING AND ALL EMER CHKLISTS. THERE WERE NO INJURIES. MAINT SAID FRONT FREON HAD FROZEN UP AND A BURNT MOTOR WAS SOURCE OF SMOKE/ODOR.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.