Narrative:

Captain missed the 10000 ft level off. Went to 9600 ft then immediately returned to 10000 ft. Set off altitude alerter!

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Original NASA ASRS Text

Title: FLC OF AN LGT OVERSHOT DSCNT ALT CAUSING AN ATC ALT ALERT.

Narrative: CAPT MISSED THE 10000 FT LEVEL OFF. WENT TO 9600 FT THEN IMMEDIATELY RETURNED TO 10000 FT. SET OFF ALT ALERTER!

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.