Narrative:

Believed clearance (initial) was up to 3000 ft. Tower pointed out my mistake by telling me to 'descend to 2000 ft.' I descended to 2000 ft. Contributing factor: my lack of CRM with brand new first officer on first trip, second leg.

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Original NASA ASRS Text

Title: SW-4 CREW HAD ALT OVERSHOOT IN D10 CLASS B AIRSPACE.

Narrative: BELIEVED CLRNC (INITIAL) WAS UP TO 3000 FT. TWR POINTED OUT MY MISTAKE BY TELLING ME TO 'DSND TO 2000 FT.' I DSNDED TO 2000 FT. CONTRIBUTING FACTOR: MY LACK OF CRM WITH BRAND NEW FO ON FIRST TRIP, SECOND LEG.

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.