Narrative:

Overlooked sbound air carrier flight while climbing gulfstream. Tried to stop gulfstream at FL290, but it had already gone through the altitude.

Google
 

Original NASA ASRS Text

Title: ARTCC RADAR CTLR INITIATES CTL ACTION TO STOP PREVIOUS CLB CLRNC TO A CGA GULF WITH INSUFFICIENT TIME WHEN RECOGNIZING CONFLICT WITH ACR B737 AT CRUISE ALT.

Narrative: OVERLOOKED SBOUND ACR FLT WHILE CLBING GULFSTREAM. TRIED TO STOP GULFSTREAM AT FL290, BUT IT HAD ALREADY GONE THROUGH THE ALT.

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.