Narrative:

While descending to 13;000 ft; ATC reported an unverified target at our 12 o'clock. While looking for a visual; we received a TCAS RA and initiated a climb. According to TCAS; we passed above the target with 200 ft of separation.

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Original NASA ASRS Text

Title: A B757 Captain reported an NMAC; passing 200 ft over a TCAS target. A climb was initiated in response to the RA.

Narrative: While descending to 13;000 FT; ATC reported an unverified target at our 12 o'clock. While looking for a visual; we received a TCAS RA and initiated a climb. According to TCAS; we passed above the target with 200 FT of separation.

Data retrieved from NASA's ASRS site as of April 2012 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.