Narrative:

I descended an aircraft from FL350 to FL240. There was an aircraft at FL340 that I did not have a hand off on that was opposite direction. When conflict alert went off I turned the aircraft I was controlling to avoid an error.

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Original NASA ASRS Text

Title: ZDC Controller described operational deviation at FL340; when adjacent sector failed to properly complete coordination/hand off; resulting in near loss of separation; reporters timely turn instructions prevented an operational error.

Narrative: I descended an aircraft from FL350 to FL240. There was an aircraft at FL340 that I did not have a hand off on that was opposite direction. When conflict alert went off I turned the aircraft I was controlling to avoid an error.

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.