Narrative:

Installed blowout panel 472-gl on apr/xa/00 in place and sequenced. Inspector inspected on apr/xb/00 in place. Came in on test flight apr/xc/00 missing.

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Original NASA ASRS Text

Title: A B747-400 ON RETURNING FROM TEST FLT IT WAS DISCOVERED A #4 PYLON PANEL WAS MISSING.

Narrative: INSTALLED BLOWOUT PANEL 472-GL ON APR/XA/00 IN PLACE AND SEQUENCED. INSPECTOR INSPECTED ON APR/XB/00 IN PLACE. CAME IN ON TEST FLT APR/XC/00 MISSING.

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.