Narrative:

B757-200 was northbound to bos FL410; A330 sbound FL400. I gave B757-200 crossing restr 20 south rbv FL370; both aircraft were switched to next sector. Aircraft were abeam each other when B757-200 started his descent.

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Original NASA ASRS Text

Title: ZDC CTLR EXPERIENCED OPERROR AT FL400 AFTER ACFT WERE XFERRED TO AN ADJACENT ARTCC.

Narrative: B757-200 WAS NBOUND TO BOS FL410; A330 SBOUND FL400. I GAVE B757-200 XING RESTR 20 S RBV FL370; BOTH ACFT WERE SWITCHED TO NEXT SECTOR. ACFT WERE ABEAM EACH OTHER WHEN B757-200 STARTED HIS DSCNT.

Data retrieved from NASA's ASRS site as of January 2009 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.