Narrative:

We were cleared to cross nottingham at 9000 on ott STAR, then descend to 5000 ft. There was traffic in front of us, opposite direction, climbing to 8000 ft. Our TCASII called traffic. As we descended through 8700 ft MSL, the controller asked us to return to 9000 ft. We said we had aircraft Y. He said continue descent to 5000 ft.

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Original NASA ASRS Text

Title: CTLR WAS GOING TO HAVE LTSS BTWN ACR X AND ACFT Y REVERTED TO VISUAL SEPARATION. TCASII TA.

Narrative: WE WERE CLRED TO CROSS NOTTINGHAM AT 9000 ON OTT STAR, THEN DSND TO 5000 FT. THERE WAS TFC IN FRONT OF US, OPPOSITE DIRECTION, CLBING TO 8000 FT. OUR TCASII CALLED TFC. AS WE DSNDED THROUGH 8700 FT MSL, THE CTLR ASKED US TO RETURN TO 9000 FT. WE SAID WE HAD ACFT Y. HE SAID CONTINUE DSCNT TO 5000 FT.

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.