Narrative:

During pre-flight/cargo onload; got APU auto shutdown. Within 15-20 seconds; maintenance personnel rushed into cockpit and stated 'APU fire; pull the fire handle and discharge agent'. Captain complied immediately with request. Maintenance personnel professional throughout entire evolution.

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Original NASA ASRS Text

Title: During preflight; a DC10 APU auto shutdown and shortly thereafter Maintenance personnel entered the flight station declaring the APU was on fire; so both fire bottles where discharged.

Narrative: During Pre-Flight/Cargo onload; Got APU auto shutdown. Within 15-20 seconds; Maintenance Personnel rushed into cockpit and stated 'APU Fire; Pull the Fire Handle and Discharge agent'. Captain complied immediately with request. Maintenance personnel professional throughout entire evolution.

Data retrieved from NASA's ASRS site as of July 2013 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.