Narrative:

We were cleared to 10000 ft after takeoff. Passing about 8500 ft, I was distraction by a TCASII warning. We leveled off at about 10300 ft and returned to 10000 ft. Other traffic was well clear, both horizontally and vertically.

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Original NASA ASRS Text

Title: A B757 CAPT RPTED OVERSHOOTING HIS ALT DUE TO BEING DISTR BY A TCASII WARNING IN D01 AIRSPACE.

Narrative: WE WERE CLRED TO 10000 FT AFTER TKOF. PASSING ABOUT 8500 FT, I WAS DISTR BY A TCASII WARNING. WE LEVELED OFF AT ABOUT 10300 FT AND RETURNED TO 10000 FT. OTHER TFC WAS WELL CLR, BOTH HORIZLY AND VERTLY.

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.