Narrative:

APU lost oil and overheated causing the cabin to fill up with smoke. We verified no fire and elected to remain in the airplane and get towed back to the gate. The rest of the flight was uneventful.

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Original NASA ASRS Text

Title: A320 APU OVERHEATS BECAUSE OF LOSS OF OIL RESULTING IN SMOKE IN THE CABIN. ACFT TOWED BACK TO GATE.

Narrative: APU LOST OIL AND OVERHEATED CAUSING THE CABIN TO FILL UP WITH SMOKE. WE VERIFIED NO FIRE AND ELECTED TO REMAIN IN THE AIRPLANE AND GET TOWED BACK TO THE GATE. THE REST OF THE FLT WAS UNEVENTFUL.

Data retrieved from NASA's ASRS site as of July 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.