Narrative:

At gate the caterers reported smoke and sparks from the APU exshaust. With tailwind smoke began entering the cabin through the left rear door. Crew left the plane and I observed sparks and smoke from the APU. Called fire department and shut down APU.maintenance determined exhaust lining of the APU had come apart and littered the ground with parts.

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Original NASA ASRS Text

Title: Flight Crew evacuated the B737-400 at the gate when advised by caterers that the APU was emitting smoke and sparks.

Narrative: At gate the caterers reported smoke and sparks from the APU exshaust. With tailwind smoke began entering the cabin through the left rear door. Crew left the plane and I observed sparks and smoke from the APU. Called fire department and shut down APU.Maintenance determined exhaust lining of the APU had come apart and littered the ground with parts.

Data retrieved from NASA's ASRS site as of April 2012 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.